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- #National Eligibility Cum Entrance Test
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- #Structural Organisation in Animals and Plants
- #Class 11
Which of the following is mainly used in capturing the prey in frog
Option: 1
Lips
Option: 2
Teeth
Option: 3
Tongue
Option: 4
Hand
Answers (1)
Digestive System of Frog -
Digestive System of Frog
- The digestive system consists of alimentary canal and digestive glands
Digestive Glands:
- Liver secretes bile that is stored in the gallbladder.
- Pancreas, a digestive gland produces pancreatic juice containing digestive enzymes.
- Process of Digestion:
- Food is captured by the bilobed tongue.
- Digestion of food takes place by the action of HCl and gastric juices secreted from the walls of the stomach.
- Partially digested food called chyme is passed from stomach to the first part of the small intestine, the duodenum.
- The duodenum receives bile from the gallbladder and pancreatic juices from the pancreas through a common bile duct.
- Bile emulsifies fat and pancreatic juices digest carbohydrates and proteins.
- Final digestion takes place in the intestine.
- Digested food is absorbed by the numerous finger-like folds in the inner wall of intestine called villi and microvilli.
- The undigested solid waste moves into the rectum and passes out through the cloaca.
- Cloaca is common chamber where in rectum, ureters, oviducts and urinary bladder open. It leads to outside through a cloacal aperture.
-
The tongue is large, muscular sticky, bilobed at the tip and free from behind and is used for capturing the prey.
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