Examlex
You observe that grocery shoppers choose the shortest line at the checkout. This is an example of:
Calcitonin
A hormone produced by the thyroid gland that helps regulate calcium levels in the blood by decreasing the concentration of calcium.
Parathyroid Hormone (PTH)
A hormone secreted by the parathyroid glands that regulates calcium and phosphate levels in the blood.
Nervous System
The network of nerve cells and fibers that transmits nerve impulses between parts of the body, overseeing both voluntary actions and the functioning of internal organs.
Homeostasis
The autonomous mechanism through which life forms uphold equilibrium as they adapt to variations in environmental conditions.
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