Question

State three characteristics of hormones. [3 MARKS]

Answer 1

The characteristics of hormones are as follows: (choose and write any three)

i. Hormones are secreted by endocrine cells.

ii. Hormones are chemical messengers that circulate in body fluids.

iii. They are secreted in one part of the body and act on another part of the body.

iv. Hormones, unlike enzymes, do not catalyze any reaction.

v. They are secreted in small amounts, only when needed, and not stored prior to requirement.

vi. The secretion of hormones is regulated by the nervous system through the feedback effect.

vii. Hormones usually cause long-term effects like a change in behavior, growth, etc.