Question

which organs will contribute the most to the stress response?
posterior pituitary gland
adrenal gland
pancreas
pineal gland

Explanation:

The adrenal gland is key in the stress response. It releases hormones like cortisol (from the adrenal cortex) and adrenaline (from the adrenal medulla) that help the body respond to stress. The posterior pituitary releases hormones like ADH/oxytocin, not majorly for stress. The pancreas regulates blood sugar (insulin/glucagon). The pineal gland regulates circadian rhythms (melatonin). So the adrenal gland contributes most to stress response.

Answer:

B. Adrenal gland