Question

Define hormones write 4 characteristics of hormones in humans

Answer 1

endocrine glands lack ducts and are called ductless glands.there secetions called hormones
CHARACTERISTICS
1.hormones are chemical messenger
2.they are chemical signals that circulates in the body fluid
3.hormone regulate the behavior of Target cell
4.hormone unlike enzymes do not catalyze any reaction

Answer 2

Define hormones.

The special Chemicals that regulate the psychological process in animals.

Write 4 characteristics of hormones in humans.

1. Secreted by ductless gland or endocrine gland directly into the blood.
2. They are slow acting.
3. They are produced in a very small amount.
4. They are destroyed soon after their action.
5. Also adjust and restore homeostasis.
6. They Trigger specific Chemicals & psychological process in their target cell.