Answer:
c
Explanation:
Bc , It's The Right Answer
Nerves. The brain and spinal cord are part of the CENTRAL nervous system, and the kidneys are part of the renal system.
It is both A and B
It can’t be C because swimming became a sport in the 1800’s.
<span>3.
Why is cardiovascular endurance an important component of physical fitness?
B.Improved cardiovascular endurance increase energy and reduces stress.
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<span>4.
Out of the choices below, which cardiovascular endurance exercises expends the most calories in 60 min of exercise?
Running</span><span>
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