Puberty is the period in life at which sexually immature boy or girl becomes sexually mature and capable of reproduction. It happens to be at the age of 11 to 13 years in girls and 13 to 16 years in boys. However, the period may vary from person to person. Puberty ends when an adolescent reaches the reproductive maturity. At puberty, certain changes occur both in boys and girls. Some changes are common in girls and boys such as increase in height, changes in body shape, changes in voice box and voice, etc.
Adolescents are also called

Options

A. infants
B. teenagers
C. adult
D. none of these.

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Puberty:**
- Puberty is the stage in life when a sexually immature boy or girl becomes sexually mature and capable of reproduction. This period is characterized by various physical and hormonal changes.

2. **Age Range for Puberty:**
- For girls, puberty typically occurs between the ages of 11 to 13 years.
- For boys, puberty usually occurs between the ages of 13 to 16 years.
- It’s important to note that the onset of puberty can vary from person to person.

3. **End of Puberty:**
- Puberty concludes when an adolescent reaches reproductive maturity, meaning they are fully capable of reproduction.

4. **Common Changes During Puberty:**
- Both boys and girls experience certain common changes during puberty, including:
- Increase in height.
- Changes in body shape.
- Changes in the voice box and voice.

5. **Defining Adolescents:**
- The question asks what adolescents are also called. Adolescents typically refer to individuals in the age range of puberty, which overlaps with the teenage years.

6. **Identifying the Correct Term:**
- The options provided are:
- A) Infants
- B) Teenagers
- C) Adults
- D) None of these
- Since adolescents are generally referred to as teenagers (ages 13-19), the correct answer is **B) Teenagers**.