. Part of the brain which is the control center for all regulatory activities of the body: 2. Condition in which levels of thyroid hormones in the blood are very low:

The correct answer is -

Hypothalamus

Hypothyroidism

Explanation:

Hypothalamus is the part of the brain that has many small nuclei and nerves in it and plays various kinds of roles in the nervous systems. The major roles of the hypothalamus are maintaining homeostasis, acts as the control center as it controls all regulatory processes of the body.

Hypothyroidism is a condition of the underdeveloped thyroid gland or not able to produce enough amount of thyroid hormones. The absence or less thyroid hormone causes weight loss and tiredness in a person.

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