Describe various adaptations found in frog.

Explanation

### Step-by-Step Solution:

1. **Body Structure**: Frogs have a streamlined body with a small waist, no neck, and a broad flat skull. This structure is essential for swimming efficiently in water.

2. **Skin Adaptations**:
- Frogs possess skin that contains mucus and parotid glands.
- The mucous glands secrete mucus, which keeps the skin moist, facilitating respiration through the skin.
- The parotid glands secrete poisonous toxins that serve as a defense mechanism against predators.
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