Cockroach Respiratory System Short Notes
In this article we will discuss about the cockroach respiratory system
Cockroach Respiratory System
- Respiratory system carry oxygen from the air to all the parts
- The respiratory system of cockroach consists of network of trachea
- That open through 10 pairs of small holes called spiracles
- 2-pair on thorax and 8 pairs on abdomen region
- Branches of trachea is called Tracheal Capillaries or tracheoles
- Gas exchange takes place at the tracheoles by diffusion
How Respiratory System Works In Cockroach?
- Muscles extend between the tergites and sternites of all abdominal segments
- When the abdomen expands, atmospheric air gets filled in the tracheal system through spiracles. This is inspiration.
- When the abdomen contracts, the air is forced out. This is expiration.
- The cuticle of cockroach is highly permeable to CO2, but not to O2
- Most of the CO2 diffuse out from body wall some of CO2 out through spiracles.
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