Lower than normal levels of hormones released from the , which raises or lowers metabolism, can mimic the symptoms of depression.

Thyroid gland; depression.

Explanation:

Hormones may be defined as the chemical messengers of the body that transmit the information in the body and maintains homeostasis. Two main types of hormone are water soluble hormone and lipid soluble hormone.

The hormones released from the thyroid gland maintain the metabolism of the body. The abnormal secretion of thyroid hormones disrupts the body's metabolism. The individual can gain weight and sweating in case of the excess thyroid hormone.  The inadequate secretion of the thyroid hormones can cause mood swings and depression in the individual.

Thus, the answer is thyroid gland and depression.

answer: the answer is d.

explanation: this is because when you exercise you make your muscle produce a certain liquid, that does not evaporate it.   also when you exercise you do not reduce muscle fiber.   and it does not really control your twitch that much.