Which of the following best describes cardiovascular fitness?A. The ability of the body to do prolonged workB. The ability of the body to transport oxygenated blood efficientlyC. The ability of the body to quickly shed fatD. The ability of the body to convert sugar into energy

Step 1: Define the Problem

Identify which option best describes cardiovascular fitness.

Step 2: Break Down the Problem

Consider the definitions of each option:

• A. Prolonged work capability
• B. Efficient oxygenated blood transport
• C. Quick fat shedding
• D. Sugar conversion to energy

Step 3: Apply Relevant Concepts

Cardiovascular fitness primarily involves the heart, lungs, and circulatory system working efficiently to supply oxygen to the body during sustained physical activity.

Step 4: Analysis, Verify and Summarize

• A relates to endurance but not specifically to cardiovascular efficiency.
• B directly involves the heart and circulatory system's role in oxygen transport, which is central to cardiovascular fitness.
• C and D are more related to metabolism and not directly to cardiovascular fitness.

Final Answer

B. The ability of the body to transport oxygenated blood efficiently best describes cardiovascular fitness.