Which cells are responsible for contraction and relaxation movements? -Biology 9th

Which cells are responsible for contraction and relaxation movements? -Biology 9th
by

1 Answer

Answer :

answer:
by

Related questions

Give one reason for the following statements : (a) The blood is called connective tissue. (b) Muscles are able to contract and relax to bring about movements. (c) Muscles of heart are called involuntary muscles. -Biology 9th

Description : Give one reason for the following statements : (a) The blood is called connective tissue. (b) Muscles are able to contract and relax to bring about movements. (c) Muscles of heart are called involuntary muscles. -Biology 9th

Last Answer : a) blood flows in every part of our body and thus connecting every part of our body and hence blood is known as liquid connective tissue b)as skeletal muscles contracts and relax as they have special ... c)muscle of heart are known as involuntary muscle because we can't control them by our own will

Name the tissue responsible for movement in our body. -Biology 9th

Description : Name the tissue responsible for movement in our body. -Biology 9th

Last Answer : The tissue responsible for movement in our body is the muscular tissue. Structurally, muscular tissue are elongated and are made up of several fibres of muscle cells. Muscle tissue is soft ... three types of muscle tissues in our body. They are as follows: Cardiac muscleSmooth muscleSkeletal muscle

How will absence of any one of the cell organelle affect the cell’s working? -Biology 9th

Description : How will absence of any one of the cell organelle affect the cell’s working? -Biology 9th

Last Answer : Functions of all the organelles are inter-linked to each other and ultimately to the working of the example cell. So, if even a single link is missing, the cell ultimately suffers and die. ... formation to the ribosomes which send the proteins to Golgi complex and ER for modification and transport.

How will absence of any one of the cell organelle affect the cell’s working? -Biology 9th

Description : How will absence of any one of the cell organelle affect the cell’s working? -Biology 9th

Last Answer : answer:

Best Mind Map or Flow Chart of Floatation class 9th Biology -Biology 9th

Description : Best Mind Map or Flow Chart of Floatation class 9th Biology -Biology 9th

Last Answer : NEED ANSWER

Best Mind Map or Flow Chart of natural Resources Ch -15 class 9th Biology -Biology 9th

Description : Best Mind Map or Flow Chart of natural Resources Ch -15 class 9th Biology -Biology 9th

Last Answer : NEED ANSWER

Best Mind Map or Flow Chart of improvement in food resources Ch -16 class 9th Biology -Biology 9th

Description : Best Mind Map or Flow Chart of improvement in food resources Ch -16 class 9th Biology -Biology 9th

Last Answer : NEED ANSWER

What is the Power house of the Cell -Biology 9th

Description : What is the Power house of the Cell -Biology 9th

Last Answer : Mitochondria

List any two differences between striated and cardiac muscle with respect to their structure and location. -Biology 9th

Description : List any two differences between striated and cardiac muscle with respect to their structure and location. -Biology 9th

Last Answer : Difference between striated, unstriated and cardiac muscles Striated muscles Unstriated muscles Cardiac musclesStructure Also known as skeletal muscles, they are striated, tubular, multinucleated, unbranched and tubular ... are found in walls of internal organs.They are found in walls of heart.

Briefly describe striated and smooth muscles with their functions. -Biology 9th

Description : Briefly describe striated and smooth muscles with their functions. -Biology 9th

Last Answer : Striated muscles provide the force for locomotion and all other voluntary movements of the body. The smooth muscles are also known as unstriated or involuntary muscles. Smooth muscles occur as bundles ... fusiform or spindle-shaped cells or fibres. They are held together by loose connective tissue.

What are involuntary muscles? Where are they found? -Biology 9th

Description : What are involuntary muscles? Where are they found? -Biology 9th

Last Answer : Involuntary muscles are the muscles which contract without conscious control. The contraction is controlled by the autonomic nervous system. These are present in the walls of the digestive system, blood vessels, bronchi, uterus and bladder.

What is the lining of the small intestine made up of? -Biology 9th

Description : What is the lining of the small intestine made up of? -Biology 9th

Last Answer : columnar epithelial tissue

What is the lining of blood vessels made up of? -Biology 9th

Description : What is the lining of blood vessels made up of? -Biology 9th

Last Answer : Lining of blood vessels are made up of squamous eithelium.

Explain how are messages conveyed from one place to another within the body? -Biology 9th

Description : Explain how are messages conveyed from one place to another within the body? -Biology 9th

Last Answer : Nervous tissue is made up of neurons that receive and conduct impulses. Neurons are highly specialised for being stimulated and then transmitting the stimulus very rapidly from one place to another within the body. Impulses are the passage of electrical activity along the axon of a nerve cell.

Differentiate between diffusion and osmosis. -Biology 9th

Description : Differentiate between diffusion and osmosis. -Biology 9th

Last Answer : Difference between Osmosis and DiffusionOsmosisDiffusionIt is limited only to the liquid medium.Occurs in liquid, gas and even solids.Requires a semipermeable membrane.Does not require a semipermeable membrane. ... to a glass of water, where eventually, the entire water content becomes coloured.

Which tissue makes up the husk of coconut? -Biology 9th

Description : Which tissue makes up the husk of coconut? -Biology 9th

Last Answer : answer:

(a) State the constituents of phloem ? (b) How does cork act as a protective tissue ? -Biology 9th

Description : (a) State the constituents of phloem ? (b) How does cork act as a protective tissue ? -Biology 9th

Last Answer : answer:

Name the element(s) of xylem which (i) help in transport of water and minerals, (ii) stores food, and (iii) provides mechanical support -Biology 9th

Description : Name the element(s) of xylem which (i) help in transport of water and minerals, (ii) stores food, and (iii) provides mechanical support -Biology 9th

Last Answer : answer:

Briefly describe striated and smooth muscles with their functions. -Biology 9th

Description : Briefly describe striated and smooth muscles with their functions. -Biology 9th

Last Answer : answer:

What are involuntary muscles? Where are they found? -Biology 9th

Description : What are involuntary muscles? Where are they found? -Biology 9th

Last Answer : answer:

What is the lining of the small intestine made up of? -Biology 9th

Description : What is the lining of the small intestine made up of? -Biology 9th

Last Answer : answer:

What is the lining of blood vessels made up of? -Biology 9th

Description : What is the lining of blood vessels made up of? -Biology 9th

Last Answer : answer:

Explain how are messages conveyed from one place to another within the body? -Biology 9th

Description : Explain how are messages conveyed from one place to another within the body? -Biology 9th

Last Answer : answer:

Differentiate between diffusion and osmosis. -Biology 9th

Description : Differentiate between diffusion and osmosis. -Biology 9th

Last Answer : answer:

There would be no plant life if chloroplasts did not exist. Justify. -Biology 9th

Description : There would be no plant life if chloroplasts did not exist. Justify. -Biology 9th

Last Answer : answer:

Which animal tissue helps in repair of tissue and fills the space inside the organ? -Biology 9th

Description : Which animal tissue helps in repair of tissue and fills the space inside the organ? -Biology 9th

Last Answer : answer:

Name the muscular tissue that functions throughout life without fatigue. -Biology 9th

Description : Name the muscular tissue that functions throughout life without fatigue. -Biology 9th

Last Answer : answer:

hat are chromosomes made up of? -Biology 9th

Description : hat are chromosomes made up of? -Biology 9th

Last Answer : answer:

Plasma membrane is made up of which two components? -Biology 9th

Description : Plasma membrane is made up of which two components? -Biology 9th

Last Answer : answer:

CBQ's (case base study ) , MCQs and Practice questions of chapter 5 Cell-Fundamental unit of life Science class 9 -Biology 9th

Description : CBQ's (case base study ) , MCQs and Practice questions of chapter 5 Cell-Fundamental unit of life Science class 9 -Biology 9th

Last Answer : MCQs Class 9th Biology Ch-5 The Fundamental Unit of Life Question 1 Which of the following can be made into crystal? (a) A Bacterium (b) An Amoeba (c) A Virus (d) A Sperm Answer 1 (c) Question 2 A cell will swell ... (v) Suicidal bag and nucleolus Answer 10 a-iv; b-v; c-iii; d-i; e-ii Q

Cbqs (case based study) of chapter 11Why do we fall ill Science class 9 -Biology 9th

Description : Cbqs (case based study) of chapter 11Why do we fall ill Science class 9 -Biology 9th

Last Answer : answer:

Cbqs (case based study) of chapter 6 Tissues Science class 9 -Biology 9th

Description : Cbqs (case based study) of chapter 6 Tissues Science class 9 -Biology 9th

Last Answer : answer:

Which one of the following describes the mode of action of tetanospasmin? a. It inhibits muscle contraction. b. It damages and lyses red blood cells. c. It disrupts cell tissues. d. It inhibits muscle relaxation.

Description : Which one of the following describes the mode of action of tetanospasmin? a. It inhibits muscle contraction. b. It damages and lyses red blood cells. c. It disrupts cell tissues. d. It inhibits muscle relaxation.

Last Answer : d. It inhibits muscle relaxation.

During contraction and relaxation of striated muscle fibre the length of A band usually :-

Description : During contraction and relaxation of striated muscle fibre the length of A band usually :-

Last Answer : During contraction and relaxation of striated muscle fibre the length of A band usually :- A. ... . Increases C. Decreases D. Decreases too much

Assertion : The contraction and relaxation of muscle fiber are controlled by nerve impulses. Reason : The threshold stimulus is the minimum stimulus r

Description : Assertion : The contraction and relaxation of muscle fiber are controlled by nerve impulses. Reason : The threshold stimulus is the minimum stimulus r

Last Answer : Assertion : The contraction and relaxation of muscle fiber are controlled by nerve impulses. Reason : ... D. If both Assertion and Reason are false.

The following are true: a. Kirschman's law: the greatest contrast in colour is seen when the luminosity differnece is small b. Emmbert's law: the perceived size of an object varies in proportion to the distance of the surface on which it is projected c. Hering's law: the contraction of a muscle is accompanied by simultaneous and proportional relaxation of the antagonist d. Troxler's phenomenon: an image in the periphery of the retina tends to fade or disappear during steady fixation of another objec

Description : The following are true: a. Kirschman's law: the greatest contrast in colour is seen when the luminosity differnece is small b. Emmbert's law: the perceived size of an object varies in ... image in the periphery of the retina tends to fade or disappear during steady fixation of another objec

Last Answer : Troxler's phenomenon: an image in the periphery of the retina tends to fade or disappear during steady fixation of another objec

Inhibition of the Edinger-Westphal nucleus: a. causes relaxation of the iris sphincter b. causes contraction of the iris dilator c. occurs in deep sleep d. occurs with narcotics

Description : Inhibition of the Edinger-Westphal nucleus: a. causes relaxation of the iris sphincter b. causes contraction of the iris dilator c. occurs in deep sleep d. occurs with narcotics

Last Answer : causes contraction of the iris dilator

The effects of topically applied anticholinesterase on the eye include: a. conjunctival hyperaemia b. raised intraocular pressure c. ciliary muscle contraction d. sphincter pupillae muscle relaxation e. retraction of the upper lids

Description : The effects of topically applied anticholinesterase on the eye include: a. conjunctival hyperaemia b. raised intraocular pressure c. ciliary muscle contraction d. sphincter pupillae muscle relaxation e. retraction of the upper lids

Last Answer : ciliary muscle contraction

Lack of relaxation between successive stimuli in sustained muscle contraction is known as (a) tetanus (b) tonus (c) spasm (d) fatigue.

Description : Lack of relaxation between successive stimuli in sustained muscle contraction is known as (a) tetanus (b) tonus (c) spasm (d) fatigue.

Last Answer : (a) tetanus

Which of the following DOES NOT cause depression of the mandible: A. Contraction of lateral pterygoid B. Contraction of temporalis C. Contraction of the suprahyoid muscles D. Contraction of the infrahyoid muscles E. Relaxation of all muscles so that the only forces on the mandible are the forces of

Description : Which of the following DOES NOT cause depression of the mandible: A. Contraction of lateral pterygoid B. Contraction of temporalis C. Contraction of the suprahyoid muscles D. Contraction of the ... E. Relaxation of all muscles so that the only forces on the mandible are the forces of

Last Answer : B. Contraction of temporalis

During inspiration, the diaphragm moves: a) down by contraction b) down by relaxation c) up by contraction d) up by relaxation

Description : During inspiration, the diaphragm moves: a) down by contraction b) down by relaxation c) up by contraction d) up by relaxation

Last Answer : ANSWER: A -- DOWN BY CONTRACTION 

When the potential difference across a membrane of a neuron equals the threshold, what results? a) movement of the membrane b) action potential c) relaxation d) contraction

Description : When the potential difference across a membrane of a neuron equals the threshold, what results? a) movement of the membrane b) action potential c) relaxation d) contraction

Last Answer : ANSWER: B -- ACTION POTENTIAL 

Cromolyn has as its major action (a) Block of calcium channels in lymphocytes (b) Block of mediator release from mast cells (c) Block of phosphodiesterase in mast cells and basophils (d) Smooth muscle relaxation in the bronchi (e) Stimulation of cortisol release by the adrenals

Description : Cromolyn has as its major action (a) Block of calcium channels in lymphocytes (b) Block of mediator release from mast cells (c) Block of phosphodiesterase in mast cells and basophils (d) Smooth muscle relaxation in the bronchi (e) Stimulation of cortisol release by the adrenals

Last Answer : Ans: B

Which one of the following hormones is responsible for uterine contraction during parturition?

Description : Which one of the following hormones is responsible for uterine contraction during parturition?

Last Answer : Which one of the following hormones is responsible for uterine contraction during parturition? A. Relaxin B. Vasopressin C. Oxytocin D. Prolactin.

Which one of the following hormones is responsible for uterine contraction during parturition?

Description : Which one of the following hormones is responsible for uterine contraction during parturition?

Last Answer : Which one of the following hormones is responsible for uterine contraction during parturition? A. Oxytocine B. LH C. Estrogen D. Relaxin

Chemical ions responsible for muscle contraction are

Description : Chemical ions responsible for muscle contraction are

Last Answer : Chemical ions responsible for muscle contraction are A. `Ca^(++) and K^(+)` B. `Na^(+) and K^(+)` C. `Na^(+ ... ^(++)` D. `Ca^(++) and Mg^(++) ions `

Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction. (a) Calcium (b) Magnesium (c) Sodium (d) Potassium

Description : Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction. (a) Calcium (b) Magnesium (c) Sodium (d) Potassium

Last Answer : (a) Calcium

The sodium/potassium pump is primarily responsible for the: a) resting potential b) action potential c) excretion of salts d) contraction of muscle fibers

Description : The sodium/potassium pump is primarily responsible for the: a) resting potential b) action potential c) excretion of salts d) contraction of muscle fibers

Last Answer : ANSWER: A -- RESTING POTENTIAL

Cells of the human body exhibit three main types of movements _____,_____ and ______.

Description : Cells of the human body exhibit three main types of movements _____,_____ and ______.

Last Answer : Cells of the human body exhibit three main types of movements _____,_____ and ______.

In heart cells, which of the following serves as a secondary messenger, speeding up muscle cell contraction in response to adrenaline ?

Description : In heart cells, which of the following serves as a secondary messenger, speeding up muscle cell contraction in response to adrenaline ?

Last Answer : In heart cells, which of the following serves as a secondary messenger, speeding up muscle cell contraction in ... A. cAMP B. cGMP C. GTP D. ATP