Alary muscles in cockroach are connected with

Options

A. trachea
B. dorsal diaphragm
C. legs
D. alimentary canal

Answer

To answer the question about the connection of alary muscles in cockroaches, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Structure**: Alary muscles are specific muscles found in the cockroach's heart. They are triangular and fan-shaped.

2. **Identify the Function**: The primary function of alary muscles is to assist in the respiratory movements of the abdomen and to increase the pumping force of the heart.

3. **Locate the Connection**: Alary muscles are attached to the diaphragm in cockroaches. Specifically, they connect to both the dorsal diaphragm and the tergal diaphragm.

4. **Evaluate the Options**: Given the options:
- a) Trachea
- b) Dorsal diaphragm
- c) Legs
- d) Elementary canal

5. **Select the Correct Option**: Since alary muscles are connected to the diaphragm, the correct answer from the options provided is **b) Dorsal diaphragm**.

### Final Answer:
**Alary muscles in cockroach are connected with the Dorsal diaphragm.**

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