Body cavity of cockroach is called

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the name of the body cavity in a cockroach.

2. **Identifying the Body Cavity**: In cockroaches, the body cavity is referred to as a "true coelom." This indicates that there is a cavity present within the body.

3. **Location of the Cavity**: The true coelom is located between the body wall and the gut wall (digestive system) of the cockroach.

4. **Characteristics of the Cavity**: This cavity is fluid-filled, which means it contains a liquid substance.

5. **Specific Name of the Cavity**: In cockroaches, this fluid-filled cavity is specifically called "hemocoel."

6. **Fluid in the Cavity**: The fluid within the hemocoel is known as hemolymph, which is similar to blood in other organisms.

7. **Final Answer**: Therefore, the body cavity of a cockroach is called the "hemocoel."

### Final Statement:
The body cavity of a cockroach is known as the hemocoel.

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