stress stimulates the receptors in the hypothalamus, which sends nerve impulses through the spinal cord to the adrenal glands. the adrenal gland is stimulated to produce adrenaline, which can stimulate muscles to contract, hence making one feel tense. or maybe he's got stomach ulcers
stress stimulates the receptors in the hypothalamus, which sends nerve impulses through the spinal cord to the adrenal glands. the adrenal gland is stimulated to produce adrenaline, which can stimulate muscles to contract, hence making one feel tense.
or maybe he's got stomach ulcers