Name two antagonistic hormones.

Explanation

### Step-by-Step Solution:

1. **Understanding Antagonistic Hormones**: Antagonistic hormones are defined as hormones that have opposite effects on the same physiological function. This means that when one hormone is active, the other inhibits or counteracts its effect.

2. **Identifying Examples**: Two well-known examples of antagonistic hormones are Insulin and Glucagon.

3. **Function of Insulin**: Insulin is secreted by the beta cells of the pancreas. Its primary function is to lower blood sugar levels by facilitating the uptake of glucose into cells, thereby reducing the concentration of glucose in the bloodstream.

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