What is nature of skin in frog?

Explanation

### Step-by-Step Text Solution:

1. **Introduction to Frog Skin**: The skin of a frog is a significant aspect of its anatomy and physiology. It plays a crucial role in various functions, including respiration.

2. **Characteristics of Frog Skin**:
- **Thin**: The skin of frogs is notably thin, which allows for efficient gas exchange.
- **Moist**: Frog skin is always moist, which is essential for respiration. The moisture helps in the diffusion of gases.
- **Granular**: The skin has a granular texture, which is often due to the presence of small glands.
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