Indicate whether the characteristics below apply to the endocrine system or the nervous system by writing the appropriate letter in the blank using the following answer code:
-Secretes chemical messengers that affect target cells.
A)applies to the endocrine system
B)applies to the nervous system
C)applies to both the endocrine and nervous systems

Question

Quizplus · Accepted Answer

Both the endocrine and nervous systems secrete chemical messengers that affect target cells; the endocrine system uses hormones, while the nervous system uses neurotransmitters.

Indicate Whether the Characteristics Below Apply to the Endocrine System