★ Cardiorespiratory Endurance Quiz
Which is a specific benefit of physical activity and increased cardiorespiratory endurance for your heart?
A. Bigger heart muscle pumps blood more efficiently
B. Improves Blood Flow
C. Improves Lung Capacity
D. Hold More Air
Select your answer:
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Lung & Breathing › ViewWhat is the name of the two main branches from the trachea (one to each lung)?
A. bronchi
B. alveoli
C. capillaries
D. bronchioles
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Which behavior reaction frequently is shown before an agression reaction?
A. Comfort
B. Fear
C. Submission
D. Happy