The correct option is E Adernal gland
Adrenaline is an emergency hormone which prepares the body for fight or flight response by intensifying the effect of sympathetic stimulation and is secreted by the adrenal gland. Liver secretes bile juice while pancreas secretes insulin and glucagon hormones. Kidney secretes erythropoietin and secretion from Cowper’s gland add only small volume to semen. Thus, the correct answer is option E.