Increased activity of sweat and sebaceous glands can lead to______

Adolescence:

1. It is a period of increased physical growth and a number of physical, hormonal, behavioral and psychological changes.
2. Adolescence begins around the age of 11 years and lasts up to 18-19 years.
3. During adolescence, both boys and girls often get pimples and acne on the face. This is due to the hormonal action on the sweat and sebaceous glands.
4. As the sweat glands produce more sweat and sebaceous glands more oil, the excess of sweat and oil closes the pores.
5. The pores get infected and area around them becomes red and swollen, called pimples. Pimples generally disappear with time as boys and girls mature.

Final answer:
Increased activity of sweat and sebaceous glands can lead to pimples.