By the Late Twentieth Century,electronic Devices Had Revolutionized the Lives

question 38

Multiple Choice

By the late twentieth century,electronic devices had revolutionized the lives of individuals,but none to the degree of:

• A) personal computers.
• B) mobile phones.
• C) handheld organizers.
• D) portable CD players.
• E) iPods.

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Definitions:

Parathyroid Hormone

A hormone produced by the parathyroid glands that regulates calcium levels in the blood.

Vitamin D

A fat-soluble vitamin essential for calcium absorption in the body and bone health.

Aldosterone

A hormone produced by the adrenal glands that helps regulate blood pressure by controlling sodium and potassium levels in the blood.

Parathyroid Hormone

A substance secreted by the parathyroid glands that controls the amount of calcium in the bloodstream.