David wants to capture a photograph of his garden on a sunny day. what will allow him to control the amount and sensitivity to light of his camera?
a. internal prism
b. internal flash
c. aperture
d. iso
chose all that apply

Which of the following is an example of the endocrine system maintaining homeostasis? detecting a pain stimulus and sending a signal to the spinal cord to perform an automatic response discharging an excessive amount of hormones in the blood and not sending a signal to stop production releasing hormones that speed up heart rate and blood pressure while slowing body functions like digestion and growth using sense organs to get information about the outside world and direct an appropriate body response release