Why would a patient with a pheochromocytoma sweat excessively, have facial pallor, and bc constipated?

During the sympathetic reaction the blood flow is augmented to the skeletal muscles and brain. Then the blood flow will diminished to the bowel which may led to constipation. The person will perspire excessively and may lead to dehydration which eventually may constrain bowel function.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms