Air filled bones of birds are called

1 Answer

Answer :

pneumatic bones

Related questions

Description : Hollow air - filled bones ( pneumatic bones ) occurs in

Last Answer : Hollow air - filled bones ( pneumatic bones ) occurs in A. Mammals B. Urodela C. Reptiles D. Aves

Description : The long and strong bones of limbs are filled with a fluid called

Last Answer : bone marrow.

Description : Series o channels, formed of by bones are filled with

Last Answer : Series o channels, formed of by bones are filled with

Description : Series o channels, formed of by bones are filled with

Last Answer : Series o channels, formed of by bones are filled with

Description : _____joints are characterised by the presence of a fluid filled synovial cavity between the articulating surfaces of the two bones.

Last Answer : _____joints are characterised by the presence of a fluid filled synovial cavity between the articulating surfaces of the two bones.

Description : The characteristics and an example of a symbol joint in humans is `{:(,"Characterstics","Example"),((a),"Lymph filled between two bones, limited movem

Last Answer : The characteristics and an example of a symbol joint in humans is `{:(,"Characterstics","Example"),((a ... "),(" two bones, limited movements"):}`

Description : The characteristic and an example of a synovial joint in humans is Characteristics Examples (a) Fluid filled synovial Joint between cavity between atlas and axis two bones (b) Lymph filled ... between two bones, limited movements (d) Fluid filled between Skull bones two joints, provides cushion

Last Answer : (a) Fluid filled synovial Joint between cavity between atlas and axis two bones

Description : Which of the following bones is present only in birds ?

Last Answer : Which of the following bones is present only in birds ? A. Axis vertbra B. Atlas vertebra C. Ear ossicles D. Furcula

Description : `{:("Convergent evolution","Divergent evolution"),((1)"Bones of forelimbs of vertebrates","Wings of butterfly and birds"),((2)"Thorns of Bougainvillia

Last Answer : `{:("Convergent evolution","Divergent evolution"),((1)"Bones of forelimbs of vertebrates","Wings ... Cucurbita","Wings of butterflies and birds"):}`

Description : What animal eats birds and regurgitates bones and feather?

Last Answer : Lots of animals, vultures, cats, owls, dogs. Dogs/cats will eatbirds and then their body will force them to regurgitate anythingbad. So the bones and feathers.

Description : Why are birds' bones hollow?

Last Answer : because they are tiney birds

Description : Bones are pneumatic in - (1) Fishes (2) Amphibians (3) Reptiles (4) Birds

Last Answer : (4) Birds Explanation: Pneumatic boneis is hollow bone filled with air, connected to the respiratory system. Many of a bird's bones are pneumatic, with struts across their ... , certain physical characteristics are required. Flying birds have evolved reduced weight through several characteristics.

Description : Which one of the following options gives one correct example each of convergent evolution and divergent evolution? Convergent Divergent evolution evolution (a) Eyes of octopus Bones of forelimbs and ... birds (d) Thorns of Bougainvillea Eyes of octopus and tendrils of and mammals Cucurbita

Last Answer : (a) Eyes of octopus Bones of forelimbs and mammals of vertebrates

Description : Bones are pneumatic in (1) Fishes (2) Amphibians (3) Reptiles (4) Birds

Last Answer : Birds

Description : A young girl, Violet by name, was visiting with a group of her schoolmates at a friend's house. The air was filled with the noise of loud conversations, when an older woman called out for ... and shouting increased around her. Finally, Violet's hand bumped into something which, when the da -Riddles

Last Answer : Violet was at a birthday party, and was selected to be first in the Pin the Tail on the Donkey game they were playing. She was successful in pinning the tail just where it belonged. The body part of the animal was, of course, the donkey’s tail.

Description : A hydrogen filled balloon rises in air because (a) The atmospheric pressure decreases with altitude (b) The acceleration due to gravity decreases with altitude (c) The density of air decreases with ... The buoyant force exerted by the air on the balloon is greater than the weight of the balloon

Last Answer : Ans:(d)

Description : Give reason: a) Soda bottles are often labelled “store in cool and dry place”. b) Balloons pops out during hot summer more frequently than in winter. c) During winter football filled with air reduces to its original size when taken outdoors.

Last Answer : a) Soda bottles are often labelled store in cool and dry place . The carbon dioxide filled in soda bottles on exposure to heat, expands because the gas inside the bottle expands as temperature ... . When football is taken out, its temperature decreases so the volume to gas filled also decreases.

Description : Air filled in dead space is

Last Answer : Air filled in dead space is A. 150 C C B. 350 C C C. 500 C C D. 1500 C C

Description : Why would a balloon filled with air in a freezer shrink?

Last Answer : The low temperature inside the freezer causes the air inside theballoon to contract.

Description : When the air is filled to capacity with water vapor it is to be said what?

Last Answer : saturated

Description : which is a layer underground where all empty spaces are filled with a combination of air and water?

Last Answer : Zone of saturation

Description : When air is warm, it rises and leaves an area of low pressure which becomes filled with sinking cold air. After a hot, sunny day, the land cools faster than the sea. What is likely to happen after a hot, sunny day on the sea shore?

Last Answer : When air is warm, it rises and leaves an area of low pressure which becomes filled with sinking cold air. After a hot, sunny day, the land cools faster than the sea. What is likely to happen after a hot, sunny day on the sea shore?

Description : A balloon filled with helium rises in air because – (1) air exerts an upward force on the balloon (2) the balloon is weightless (3) helium is less dense than air (4) helium pushes down on the air below the balloon

Last Answer : (3) helium is less dense than air Explanation: A gas balloon is any balloon that stays aloft due to being filled with a gas less dense than air or lighter than air (such as helium ... balloons) as the dominant form of airship. as balloons remained popular throughout the age before powered flight.

Description : Why does a balloon filled with hydrogen rise in the air?

Last Answer : Answer: Weight of hydrogen is less than the weight of air displaced by it. In balloons hydrogen is normally filled because it is lighter than air.

Description : Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of (a) inspiratory reserve volume (b) tidal volume (c) expiratory reserve volume (d) residual volume.

Last Answer : (d) residual volume.

Description : In frog, fenestra ovalis is (a) the communication between the pharynx and the tympanic cavity (b) the external opening of the tympanic cavity which is covered by the tympanic membrane (c) the ... ear (d) the opening in the auditory capsule which separates the middle ear from the internal ear.

Last Answer : (c) the air filled cavity of the middle ear

Description : What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water interface? The balloon is of radius 0.1 m and is filled with air. (A) 4πg/3 (B) 0.01 πgH/4 (C) 0.01 πgH/8 (D) 0.04 πgH/3

Last Answer : (A) 4πg/3

Description : Air vessel of a reciprocating pump is initially filled with (A) Atmospheric air (B) Compressed air (C) Water (D) None of these

Last Answer : (B) Compressed air

Description : Compression of soil occurs rapidly if voids are filled with (A) Air (B) Water (C) Partly with air and partly with water (D) None of these

Last Answer : Answer: Option A

Description : Pick up the correct statement from the following: (A) The void space between the soil grains, is filled partly with air and partly with water (B) In perfectly saturated soil, the voids are completely filled with water (C) In dry soil, the voids are completely filled with air (D) All the above

Last Answer : Answer: Option D

Description : 260 g of wet soil was taken in a pycnometer jar of weight 400 g in order to find the moisture content in the soil, with specific gravity of soil particles 2.75. The weight of soil and remaining water filled in pycnometer without air ... is (A) 24.2 % (B) 18.2 % (C) 53.8 % (D) None of these

Last Answer : Answer: Option B

Description : Newton's rings experiment is performed with air gap between lens and plate. Now that gap is filled with water. What will be effect on radius (or diameter)? (a) Radius (or diameter) will remain ... or diameter) will increase (c) Radius (or diameter) will decrease (d) There will be no effect

Last Answer : (c) Radius (or diameter) will decrease

Description : Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of: (1) Inspiratory Reserve Volume (2) Tidal Volume (3) Expiratory Reserve Volume (4) Residual Volume

Last Answer : (4) Residual Volume

Description : Helium gas is filled in ballons because (1) its atomic number is 2 (2) it is lighter than air (3) it is one of the constitutents of water (4) it is a noble gas

Last Answer : it is lighter than air

Description : A balloon filled with helium rises in air because (1) air exerts an upward force on the balloon (2) the balloon is weightless (3) helium is less dense than air (4) helium pushes down on the air below the balloon

Last Answer : helium is less dense than air

Description : Animal charcoal is obtained by (a) the destructive distillation of bones (b) burning the bones of animals in contact with air (c) burning the flesh of animals (d) burning the bones of animals out of contact with air

Last Answer : Ans:(d)

Description : Most fish do not sink in water because of the presence of: swim bladder; air bladder; air sacs; air in spongy bones?

Last Answer : Iand II are correct

Description : The long bones are hollow and connected by air passages. They are the characteristics of (a) reptilia (b) land vertebrates (c) aves (d) mammals.

Last Answer : (c) aves

Description : The crisp Fall air, walking on crunchy leaves, crunchy Macs in season, that smell; or a Springtime breeze, being able to remove the many layers of Winter clothing, birds singing, flowers blooming; which season do you prefer?

Last Answer : I live in New England, what’s not to love about Fall? well, maybe November, leaves are gone, rain is cold…

Description : How do certain species of birds such as Humming Birds, Terns, Gulls and Kestrels remain in the air without a forward motion?

Last Answer : ANSWER I: The humming bird's wings consist mainly of elongated hand bones to which the flight feathers are attached, and the whole wing can rotate as does the wrist. The short arm bones not ... only birds which can fly forwards, backwards, up, down, sideways or move instantaneously in any direction.

Description : Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the ... in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.

Last Answer : (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals.