What is a sentence for the word constructive forces?

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

What is the statement plant growth is affected by the color light