Frog
Chapter Name : Structural Organization In Animals |
Sub Topic Code : 103_11_07_05_02 |
Topic Name : Frog |
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Sub Topic Name : Digestive System |
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Introduction
The digestive system consists of alimentary canal and digestive glands. The alimentary canal is short because frogs are carnivores and hence the length of intestine is reduced.
Pre-Requisites:
To understand the digestive system of a frog.
Activity:
Videos which show how food is digested in frogs.
Real Life Question:
What kind of food do frogs eat?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Oesophagus | short tube that opens into the stomach which in turn continues as the intestine, rectum and finally opens outside by the cloaca. |
| Liver | Liver secretes bile that is stored in the gall bladder |
| Pancreas | a digestive gland produces pancreatic juice containing digestive enzymes. |
| Digestion of food | 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 intestine, the duodenum. |
| Bile | Bile emulsifies fat and pancreatic juices digest carbohydrates and proteins. |
| Intestine | Final digestion takes place here. |
Learning aids / Gadgets
| Gadgets | How it can be used |
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Practical examples around us
| Examples | Explainations |
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What you learn in Theory:
The different parts of digestive system in frog.
What you learn in Practice:
Frogs are carnivorous and eat insects generally.