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Great question. Cardiovascular endurance is how efficiently you heart, blood vessels, and lungs to supply oxygen rich blood to working muscles during physical activity (aerobic activity like walking, running, cycling or playing a sport) for a prolonged period of time or for more than 90 seconds.
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Answer: The largest cell in the human body is the egg cell, while the smallest cell in the body is the sperm cell.
Explanation:
What are the smallest cells in the body?
Answer:
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