1. What is the term used for chemical secretions of endocrine glands responsible for changes taking place in the body?
Ans:
The chemical substances secreted by the endocrine glands are called hormones. Hormones regulate and control various changes and functions in the body.
2. Define adolescence.
Ans:
Adolescence is the transitional period between puberty and adulthood during which the body undergoes various physical, emotional, and hormonal changes, leading to reproductive maturity.
It typically begins around the age of 11 and lasts until 18 or 19 years. However, the duration of adolescence may vary from person to person.