List two functions of estrogens.

Explanation

### Step-by-Step Solution:

1. **Identify the Hormone**: The hormone in question is estrogen, which is classified as a steroid hormone.

2. **Source of Estrogen**: Estrogen is synthesized and secreted by the Graafian follicles in the ovaries.

3. **Function 1 - Development of Female Secondary Sex Organs**: One of the primary functions of estrogen is to promote the growth, development, and functioning of female secondary sex organs, such as the vagina, uterus, and fallopian tubes, especially during puberty.

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