Cockroach
Chapter Name : Structural Organization In Animals |
Sub Topic Code : 103_11_07_04_04 |
Topic Name : Cockroach |
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Sub Topic Name : Nervous System |
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Introduction
The nervous system of cockroach consists of a series of fused, segmentally arranged ganglia joined by paired longitudinal connectives on the ventral side.
Pre-Requisites:
To understand the nervous system of a cockroach.
Activity:
videos which show how nervous system and sense organs of cockroach functions.
Real Life Question:
Does cockroach have an elongated nervous system?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| supra-oesophageal ganglion | represents the brain, which supplies nerves to antennae and compound eyes. In cockroach, the sense organs are antennae, eyes, maxillary palps, labial palps, anal cerci, etc. |
| Compound eyes | situated at the dorsal surface of the head. Each eye consists of about 2000 hexagonal ommatidia. |
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 involved in nervous system of cockroach.
What you learn in Practice:
How and why does cockroach receive several images of same object.