Cockroach
Chapter Name : Structural Organization In Animals |
Sub Topic Code : 103_11_07_04_02 |
Topic Name : Cockroach |
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Sub Topic Name : Alimentary Canal |
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Introduction
The alimentary canal present in the body cavity is divided into three regions: foregut, midgut and hindgut.
Pre-Requisites:
To understand how digestive system in cockroach functions.
Activity:
Videos which show how digestion in cockroach takes place.
Real Life Question:
What kind of food do cockroaches eat?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| crop | sac like structure used for storing food. |
| gizzard or proventriculus | helps in grinding the food particles. |
| hepatic or gastric caecae | Ring of 6-8 blind tubules, present at the junction of foregut and midgut, which secrete digestive juice. |
| Hindgut | broader than midgut and is differentiated into ileum, colon and rectum. The rectum opens out through anus. |
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 cockroach.