Thyroid Gland - Thyroxine regulates metabolic rate and protein synthesis, Adrenal Medulla - Adrenaline stimulates increased heart rate, blood flow to muscles, Testes - Testosterone for male sexual characteristics and promotes muscle growth, Ovaries - Oestrogens involved in female reproductive system, Pineal Gland - Melatonin regulates biological rhythms and sleep-wake cycle,

Leaderboard

Visual style

Options

Switch template

Continue editing: ?