Understanding Hormones: Chemical Messengers in the Body

To help with digestion

To carry instructions to cells to change their activities (correct)

To transport oxygen around the body

To regulate body temperature

Instant and permanent messengers

Slow-acting and longer-lived messengers (correct)

Random and unpredictable messengers

Fast-acting and short-lived messengers

Cells become inactive

Cells divide rapidly

Cells change their activities (correct)

Cells start producing more hormones