Description : Assertion `:` Products of digestion are absorbed in the small intestine. Reason `:` Large intestine has impermeable wall.
Last Answer : Assertion `:` Products of digestion are absorbed in the small intestine. Reason `:` Large intestine has ... D. If both Assertion & Reason are false.
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 digestive system, also known as systema digestorium , or gastrointestinal system, is composed of the digestive tube organs plus the digestive adnexal glands. The digestive tube is composed of mouth ... (caecum, colon, rectum) and anus. Digestion System - Image Diversity: human digestive system
Last Answer : What are peristaltic movements? What is their role in human digestion?
Description : The site where complete digestion of carbohydrates, proteins and fats takes place is called – (1) Liver (2) Stomach (3) Large Intestine (4) Small Intestine
Last Answer : (4) Small Intestine Explanation: The small intestine is the site of the complete digestion of carbohydrates, proteins and fats. It receives the secretions of the liver and pancreas for this purpose.
Description : Digestion of food is completed in the -----? A. small intestine (Answer) B. large intestine C. stomach D. Liver
Last Answer : A. small intestine (Answer)
Description : (a) Draw a diagram to show the nutrition in Amoeba and label the parts used for this purpose. Mention any other purpose served by this part other than nutrition. (b) Name the glands associated ... mention their role. (c) How is required pH maintained in the stomach and small intestine? -Biology
Last Answer : Answer.(a) Pseudopodia serves the purpose of locomotion apart from nutrition. (b) The salivary gland is associated with digestion of starch in human digestive tract. It secretes saliva which contains ... juice from liver makes the food alkaline in small intestine for the pancreatic enzymes to act.
Description : Describe the structure of the small intestine and its role in digestion? -Biology
Last Answer : answer:
Description : After digestion amino acids (A) Are absorbed into portal circulation (B) Are absorbed into lymph (C) Are excreted to the extent of 50% (D) Converted into glucose in the intestine
Last Answer : Answer : A
Description : What is the substance produced in the liver that acts in the small intestine during digestion?
Last Answer : How does that substance act in the digestive process?
Description : The saliva pH is approximately 6.8. It is thus a slightly acid pH. Saliva lubricates the food bolus and initiates the enzymatic extracellular digestion of food. It also works as a buffer for the ... 's milk and in the mucosae of the intestine and airways) that protect the organism against pathogens.
Last Answer : What is the salivary digestive enzyme? Which type of food does it digest and into which smaller molecules does it transform the food?
Description : Describe the role of small intestine in digestion of food.
Last Answer : In small intestine Liver and Pancreas play an important role for digestion of food. Role of Liver: - i) Liver is reddish brown organ present just below the diaphragm (under ribs) on right ... If any food still remain undigested enzymes secreted by glands of small intestine help to digest it.
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 : 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 : Most of the fat digestion occurs in (a) rectum (b) stomach (c) duodenum (d) small intestine.
Last Answer : (d) small intestine.
Description : Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in (A) Blood (B) Saliva (C) Intestine (D) Gland
Last Answer : (B) Saliva
Description : Intestinal villi are numerous and larger in posterior part of small intestine because (a) Digestion is faster in posterior part (b) Blood supply is poor in anterior part (c) Blood supply is poor in posterior part. (d) There is more digested food in posterior part
Last Answer : (d) There is more digested food in posterior part
Description : Surgical removal of Gall bladder in man would lead to (a) lmpairment of digestion of fat (b) Jaundice (c) Increased acidity in intestine {d) None of the above
Last Answer : (a) lmpairment of digestion of fat
Description : Fat digestion takes place in (a) Buccal cavity (b) Stomach (c) Intestine (d) All
Last Answer : (c) Intestine
Description : Carbohydrate digestion in man starts from (a) Buccal cavity (b) Oesophagus (c) Stomach (d) Intestine
Last Answer : (a) Buccal cavity
Description : Protein digestion start from (a) Buccal cavity (b) Stomach (c) Intestine (d) None
Last Answer : (b) Stomach
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 : The enzyme systems for lengthening and shortening for saturating and desaturating of fatty acids occur in (A) Intestine (B) Muscle (C) Kidney (D) Liver
Last Answer : Answer : D
Description : Symptoms of Jaundice occur mainly due to disorder and malfunction of - (1) Intestine (2) Liver (3) Stomach (4) Pancreas
Last Answer : (2) Liver Explanation: Liver is affected in Jaundice.
Description : In Coccidiosis hemorrhages occur in A A. Intestine B. Proventriculus C. Heart D. None of the these
Last Answer : Intestine
Description : .______ enters the human body as a cyst and develops into a trophozoite in the small intestine; a severe form of dysentery may occur. a. Cryptosporidium parvum b. Entamoeba histolytica c. Giardia intestinalis d. Cyclospora cayetanensis
Last Answer : b. Entamoeba histolytica
Description : Symptoms of Jaundice occur mainly due to disorder and malfunction of : (1) Intestine (2) Liver (3) Stomach (4) Pancreas
Last Answer : Liver
Description : Most of the digestion occur in which part of alimentory canal of man? -Do You Know?
Description : What organ does mechanical digestion occur in?
Last Answer : Stomach and Mouth
Description : Peristalsis is the process of synchronized contractions of the muscular wall of the digestive tube. Peristaltic movements may occur from the esophagus until and including the bowels. The ... and megaesophagus (enlargement of the esophagus). Digestion System - Image Diversity: peristaltic movements
Last Answer : From the lumen to the external surface what are the tissues that form the digestive tube wall?
Description : Most of the digestion occur in which part of alimentory canal of man?
Last Answer : Small intestine
Description : How are the small intestine and large intestine related to the function of absorption? -Biology
Description : All of the following is correct w.r.t. large intestine except.
Last Answer : All of the following is correct w.r.t. large intestine except. A. No significant digestive ... D. Absorption of remaining glucose and amino acid.
Description : What is Viewing the lining of the large intestine to screen for abnormalities is?
Last Answer : Need answer
Description : What happens when too little water is reabsorbed back to the body from the large intestine can this be a dangerous condition?
Last Answer : Feel Free to Answer
Description : How does the blood go from the large intestine to the kidney?
Last Answer : What is the answer ?
Description : Do lipids go through large intestine?
Description : Where should doctors look to see if the large intestine is working properly?
Last Answer : They should check the solid waste from the person
Description : In mammals, an important role of excretion is played by – (1) Large intestine (2) Kidneys (3) Lungs (4) Liver
Last Answer : (2) Kidneys Explanation: The kidneys are bean-shaped organs that serve several excretory roles apart from the essential regulatory roles in mammals. They remove from the blood the nitrogenous wastes ... of urine. In producing urine, the kidneys excrete nitrogenous wastes such as urea and ammonium.
Description : The sigmoid colon is a part of – (1) Small Intestine (2) Large Intestine (3) Pharynx (4) Rectum
Last Answer : (2) Large Intestine Explanation: The sigmoid colon (pelvic colon) is the part of the large intestine that is closest to the rectum and anus. It forms a loop that averages about 35-40 cm in length. Its function is to expel solid and gaseous waste from the gastrointestinal tract.
Description : The parts of human body affected by Pyria are: (1) eyes (2) small intestine (3) teeth and gums (4) large intestine
Last Answer : (3) teeth and gums Explanation: Pyria, or periodontal disease, is a progressive gum disease characterized by inflammation resulting from the toxins found in plaque. It leads to bleeding of the gums. ... to tooth loss or infection in other areas of the body as the bacteria travels by bloodstream.
Description : Which is the second largest gland of Human body? (1) Liver (2) Large Intestine (3) Thorax (4) Pancreas
Last Answer : (4) Pancreas Explanation: Liver is the largest gland in human body. It is also the largest (internal) organ in our body and can weigh up to 1.5-1.6 kg for a human adult. The Pancreas is the second largest gland in the body and is both an endocrine and exocrine gland.
Description : In mammals, an important role of excretion is played by – (1) Large intestine (2) Kidneye (3) Lungs (4) Liver
Last Answer : (2) Kidneye Explanation: The Kidneys are bean-shaped organs that serve several excretory roles apart from the essential regulatory roles in mammals.
Description : The Sigmoid Colon is part of – (1) Small Intestine (2) Anal Canal (3) Large Intestine (4) Ileum
Last Answer : (3) Large Intestine Explanation: The sigmoid colon is a short curving of the colon, just before the rectum. It is part of the large intestine.
Description : The longest part of the alimentary canal is the – (1) Small Intestine (2) large Intestine (3) Oesophagus (4) Both A and C
Last Answer : (1) Small Intestine Explanation: The food enters the small intestine from the stomach. This is the longest part of the alimentary canal and is fit into a compact space because of extensive coiling.
Description : Which organ has finger like outgrowths which are called as Villi (Singular Villus)? (1) Large Intestine (2) Bladder (3) Small Intestine (4) Stomach
Last Answer : (3) Small Intestine Explanation: The inner walls of the small intestine have thousands of finger-like outgrowths called villi (singular villus). The villi increase the absorption of the digested food.
Description : Roundworm is a human parasite found in the (1) Small intestine (2) Liver (3) Stomach (4) Large intestine
Last Answer : (4) Large intestine Explanation: Roundworms, or nematodes, are a group of invertebrates (animals having no backbone) with long, round bodies. Most parasitic roundworm eggs or larvae (immature form) are ... to the mouth. The eggs or larvae also can enter the human body directly through the skin.
Description : Acid secretion is characteristic of - (1) Buccal cavity (2) Stomach (3) Small intestine (4) Large intestine
Last Answer : (2) Stomach Explanation: The stomach is famous for its secretion of hydrochloric acid. It is secreted from parietal cells into the lumen where it establishes an extremely acidic ... acid is important for activation of pepsinogen and inactivation of ingested microorganisms such as bacteria.
Description : In humans , most nutrient molecules are absorbed by the ? A. Small intestine (Answer) B. Stomach C. Liver D. Large intestine E. None of these
Last Answer : A. Small intestine (Answer)
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