Description : The diagram represents a section through the small intestine.What is the role of the structure labelled X ? (a) They secrete enzymes for digestion (b) They secrete hormones (c) They decrease the surface area of absorption (d) They increase the surface area of absorption
Last Answer : (d) They increase the surface area of absorption
Description : What structures help increase the absorption of food in the small intestine How do they do this?
Last Answer : Villi: The folds form numerous tiny projections which stick out into the open space inside your small intestine (or lumen), and are covered with cells that help absorb nutrients from the food that ... The cells on the villi are packed full of tiny hairlike structures called microvilli.(I think )
Description : Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions ... amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
Last Answer : (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na
Description : Approximately what percentage of water absorption takes place in the small intestine vs. the colon (and a followup question)?
Last Answer : The gi tract requires chyme to be pretty liquid in order to be able to move it around through peristalsis. So even though the small bowel does absorb a lot of water from the chyme it is not until ... and left colon are much more muscular than the right colon just to deal with the more solid stool.
Description : How are the small intestine and large intestine related to the function of absorption? -Biology
Last Answer : answer:
Description : Assertion `:-` Maximum absorption of food occur in jejunum. Reason `:-` Villi `&` microvilli abundantly present in small intestine.
Last Answer : Assertion `:-` Maximum absorption of food occur in jejunum. Reason `:-` Villi `&` microvilli abundantly ... . D. If both Assertion & Reason are false.
Description : What vitamin does Intrinsic factor facilitates its absorption from the small intestine?
Last Answer : Need answer
Description : In the intestine the rate of absorption is highest for (A) Glucose and galactose (B) Fructose and mannose (C) Fructose and pentose (D) Mannose and pentose
Last Answer : Answer : A
Description : Vitamin D absorption is increased in (A) Acid pH of intestine (B) Alkaline pH of intestine (C) Impaired fat absorption (D) Contents of diet
Description : The absorption of glucose in the digestive tract (A) Occurs in the small intestine (B) Is stimulated by the hormone Glucagon (C) Occurs more rapidly than the absorption of any other sugar (D) Is impaired in cases of diabetes mellitus
Last Answer : A
Description : After digestion the next step is absorption done by cells of the mucous membrane of the intestine. For this task a large absorption surface is an advantage. How is it possible in the small internal space of the body of a pluricellular organism to present a large intestinal surface?
Last Answer : Evolution tried to solve this problem in two ways. The simplest is the long and tubular shape of the bowels (approximately eight meters in extension), making possible that numerous ... function of increasing the absorption surface too. Digestion System - Image Diversity: intestinal villi microvilli
Description : The rate of absorption of sugars in intestine is highest for which monosaccharide?
Last Answer : Absorption rate of galactose is more than glucose, while fructose is absorbed at a lesser rate than glucose.
Description : The rate of drug absorption is greatest in; A A. The small intestine B. The large intestine C. The stomach D. Plasma
Last Answer : The small intestine
Description : Thyroid hormone: a. increases the absorption of carbohydrate from the intestine b. exerts a negative feedback action on TSH production c. increases the concentration of 2,3-DPG within the red blood cells d. all above
Last Answer : all above
Description : Epithelial cells of the intestine involved in food absorption have on their surface (a) pinocytic vesicles (b) microvilli (c) zymogen granules (d) phagocytic vesicles.
Last Answer : (b) microvilli
Description : Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II. Column I Column II (a) Glycerol, fatty acids Duodenum, ... , glucose Small intestine, active absorption (d) Fructose, Na+ Small intestine, passive absorption
Last Answer : (c) Glycine, glucose Small intestine, active absorption
Description : . One very special feature in the earthworm (Pheretima) is that (a) fertilization of eggs occurs inside the body (b) the typhlosole greatly increases the effective absorption area of the digested food ... are the defensive weapons used against the enemies (d) it has a long dorsal tubular heart.
Last Answer : (b) the typhlosole greatly increases the effective absorption area of the digested food in the intestine
Description : The four sketches (A, B, C and D) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its ... Smooth Heart Heart muscle contraction tissue (d) (A) Columnar Nephron Secretion epithelium and absorption
Last Answer : (a) (B) Glandular Intestine Secretion epithelium
Description : The following is true of aluminium hydroxide gel except: A. It is a weak and slowly reacting antacid B. Its acid neutralizing capacity decreases on storage C. It interferes with absorption of phosphate in the intestine D. It causes loose motions as a side effect
Last Answer : D. It causes loose motions as a side effec
Description : Guargum limits post-prandial glycaemia by: A. Inhibiting intestinal brush border α-glucosidases B. Slowing carbohydrate absorption from intestine C. Releasing incretins from the intestine D. Promoting uptake of glucose into skeletal muscles
Last Answer : B. Slowing carbohydrate absorption from intestin
Description : Chief function of large intestine is (a) Absorption of fat (b) Absorption of salts (c) Absorption of minerals (d) Absorption of water
Last Answer : (d) Absorption of water
Description : The site of absorption of alcohol in man is (a) Oesophagus (b) Intestine (c) Large intestine (d) Stomach
Last Answer : (d) Stomach
Description : The unit of absorption in the intestine is (a) Villus (b) Alveoli (c) Osteon (d) None
Last Answer : (a) Villus
Description : Describe the structure of the small intestine and its role in digestion? -Biology
Description : In humans structure that release digestive secretions directly into the small intestine include both th?
Description : What structure in the lungs help to increase the absorption of oxygen?
Last Answer : hhhj
Description : What structure in the lungs helps to increase the absorption of oxygen?
Description : Calculate the reverberation time of a living room 8 ft high, 13 ft wide and 20 ft long. The total absorption of the building structure inside the room is 180.7 sabines with four persons present in the room. A. 0.5 ms B. 0.05 s C. 0.5 s D. 5 ms
Last Answer : C. 0.5 s
Description : Certain bacteria living in a human's large intestine help to produce vitamin K. This relationship is an example of D A. Animal parasitism B. Plant parasitism C. Commensalism D. Mutualism
Last Answer : Mutualism