Which of the Following Statements Best Describes the Cardiovascular System

question 37

Multiple Choice

Which of the following statements best describes the cardiovascular system during middle adulthood?

• A) The heart pumps less blood.
• B) Less oxygen is required to maintain lung capacity.
• C) The maximum heart rate increases.
• D) The heart and lung muscles enlarge.

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Definitions:

Geometry

The branch of mathematics concerned with the properties, measurement, and relationships of points, lines, angles, surfaces, and solids.

Alkene

Hydrocarbons that are unsaturated and possess a minimum of one double bond between carbon atoms, identified by the formula CnH2n.

3-Methylpent-2-Ene

An unsaturated hydrocarbon with the formula C6H12, highlighting a branch and a double bond in its structure.

Hydrogenation

A chemical reaction that involves the addition of hydrogen (H2) across unsaturated bonds in an organic compound, typically to reduce or saturate it.