Circle all of the following that are examples of homeostasis (Hint: There are 4 here A) Growth hormone is released from the pituitary gland when the level of growth hormone in blood falls too low.
B$The secretions from oil glands in the skin decrease as a person ages.
C)A hormone is secreted to release calcium from bones into the bloodstream if calcium in the blood decreases.
D) The breathing rate increases during exercise.
E ) Opposite muscles are used to bend and extend a person's arm at the elbow joint.
F) The villi of the small intestine increase the absorption of nutrients from the small intestine into the blood.
G ) When blood sugar rises, the pancreas releases insulin to return the blood sugar back to normal.