Bones of Trained Athletes May Be Visibly Thicker and Heavier

question 1

Multiple Choice

Bones of trained athletes may be visibly thicker and heavier than those of nonathletes because

• A) athletes have lower blood calcium levels than nonathletes.
• B) weight-bearing exercise increases bone mass and strength.
• C) nonathletes have a low parathyroid hormone rate.
• D) athletes produce more growth plates.
• E) nonathletes produce fewer osteoids.

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Definitions:

Temperate Lake

A lake located in a temperate climate zone, experiencing moderate temperatures and distinct seasonal changes.

Intertidal Zone

The area of land between high tide and low tide; a zone which is underwater at high tide and exposed at low tide, hosting unique ecosystems.

Marine Organism

Life forms that inhabit saltwater environments, including the oceans, seas, and estuaries, ranging from microscopic plankton to large mammals.

Rocky Shore

Coastal areas where the land meets the sea, characterized by rock formations, cliffs, and boulders.