chemical messengers
nounUK /ˈkɛmɪkəl ˈmɛsɪndʒəz/
US /ˈkɛmɪkəl ˈmɛsɪndʒərz/
Tiny things in your body that carry messages from one place to another.
Hormones are chemical messengers that tell your body what to do.
RELATED WORDS
OTHER MEANINGS
2. Substances like hormones that travel through the blood to control body functions.
Insulin is one of the chemical messengers that helps control sugar in the blood.
3. Molecules released by nerve cells to send signals to other cells.
When a nerve fires, it releases chemical messengers across the gap to the next cell.
4. Signaling compounds that plants and animals use to coordinate growth and behavior.
Plants use chemical messengers to warn each other about insects.