What Changes Would Be Expected in the Size of the Heart

question 29

Multiple Choice

What changes would be expected in the size of the heart chambers and heart mass of a marathon runner?

• A) Both would decrease
• B) The size of the heart chambers would remain normal but the heart mass would increase
• C) No change would occur
• D) Both would increase

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Definitions:

Excess Water

A surplus amount of water beyond what is needed or used, often leading to conditions like waterlogging in plants or overhydration in humans.

Fresh Water

Water that is not salty, often found in rivers, lakes, and streams, and is essential for many forms of terrestrial life.

Distinct Zones

Separate or clearly different areas within a particular space or environment.

Northwestern Coast

A geographical term referring to the coastal areas located in the northwestern part of a continent or country, often characterized by specific climatic and ecological features.