Identify the gland that appears like a butterfly located at the base of the neck and mention its function.

Explanation

**Step-by-Step Solution:**

1. **Identify the Gland**: The gland that appears like a butterfly and is located at the base of the neck is the **thyroid gland**. It is shaped like a butterfly with two lobes connected by a narrow isthmus.

2. **Location**: The thyroid gland is situated at the front of the neck, just below the Adam's apple (laryngeal prominence).

3. **Function of the Thyroid Gland**: The primary function of the thyroid gland is to produce hormones that regulate various bodily functions. The two main hormones secreted by the thyroid gland are:
- **Thyroxine (T4)**: This hormone is crucial for regulating metabolism, growth, and development. It helps in stimulating heart rate, protein synthesis, and carbohydrate metabolism.
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