Given below is a diagram depicting a physiological process in mammals.
Study the same and answer the following questions :
Label the part .X. and .Y..

Explanation

To answer the question regarding the diagram depicting a physiological process in mammals, we will follow these steps:

### Step-by-Step Solution:

1. **Identify the Diagram**: First, we need to examine the diagram provided in the question carefully to understand the physiological process it represents.

2. **Locate Parts X and Y**: In the diagram, identify the specific areas labeled as X and Y. This will help us determine what these parts represent in the context of the physiological process.

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