Number of chambers in body cavity of Cockroach is

Options

A. One
B. Two
C. Three
D. Four

Answer

### Step-by-Step Solution:

1. **Understanding the Structure of Cockroach**:
- The body of a cockroach is divided into three main parts: the head, thorax, and abdomen.

2. **Identifying the Circulatory System**:
- Cockroaches have an open circulatory system, which means that their blood (called hemolymph) is not confined to blood vessels but flows freely within a cavity.

3. **Defining the Body Cavity**:
- The body cavity of a cockroach is referred to as the hemocoel. This is where the hemolymph circulates and bathes the internal organs.

4. **Counting the Chambers in the Hemocoel**:
- The hemocoel is divided into three main chambers. These chambers allow the hemolymph to circulate and reach various organs.

5. **Conclusion**:
- Therefore, the number of chambers in the body cavity of a cockroach is **three**.

### Final Answer:
The number of chambers in the body cavity of a cockroach is **3**.

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