Sweat is formed when salt and water from blood enter sweat glands in the skin, which are surrounded by capillaries, causing sweat drops to appear on the surface of the skin. Sweating helps regulate body temperature by allowing salt and water from the blood to be released through the skin as sweat.

1. FORMATION OF SWEAT

3. •Sweat glands in the skin produce sweat.
•The sweat glands are surrounded by blood capillaries at
their base.
•When blood flows through these capillaries, salt and water
from the blood enter the sweat glands. This appears as
sweat drops on the skin surface.
•Sweating regulates body temperature.