What do you understand by menopause?

Explanation

**Step-by-Step Solution:**

1. **Introduction to Puberty:**
- Understand that puberty is a significant phase in the life cycle of organisms, marked by the development of secondary sexual characteristics.
- In males, this process is influenced by the hormone testosterone, which typically begins to be secreted around the ages of 13 to 14.
- In females, the hormones estrogen and progesterone are responsible for similar developments, starting earlier, around the ages of 10 to 12.

2. **Differences in Longevity of Sexual Activity:**
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