The Parathyroid Glands Secrete a Hormone Which Regulates the Level

question 253

Multiple Choice

The parathyroid glands secrete a hormone which regulates the level of what substance in the blood?

• A) calcium
• B) insulin
• C) melanin
• D) melatonin

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Definitions:

Estrus Cycle

The reproductive cycle in female mammals, marked by periods of sexual receptivity (estrus) and potential for becoming pregnant.

Pituitary Gland

A small, pea-sized gland located at the base of the brain, crucial for regulating vital body functions and general wellbeing through the secretion of hormones.

Hypothalamus

A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.

Ovaries

Female reproductive organs responsible for producing eggs (ova) and secreting hormones like estrogen and progesterone.