An Overview of Breathing in Insects, Lower and Aquatic Animals

Respiratory system of insects - Alchetron, the free social encyclopedia

What system does grasshopper spiracles open into? - TimesMojo

The **Akta plant** (Calotropis procera) is effective against insects because of its unique chemical composition and natural defense mechanisms. Here are the key reasons for its efficacy: ### 1. **Toxic Chemicals**: - The plant contains **alkaloids**, **cardiac glycosides**, and **calotropin**, which are highly toxic to many pests. - These compounds interfere with the nervous systems or digestive processes of insects, ultimately killing or repelling them. ### 2. **Latex Secretion**: - The plant p