Male endocrine system. Computer artwork of the front view of a man, showing the main areas involved in the male human endocrine system. From top to bottom: pituitary and pineal glands in the brain, thyroid glands, adrenal glands, pancreas (beige), kidneys (red) and testes (testicles). The endocrine system is made up of a series of glands, each of which secretes a different type of hormone. These hormones regulate many functions within the body including mood, growth and development, tissue function, sexual development, and metabolism.
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