Answer: it is working out by doing exercises that quickly accelerate your heart rate
Explanation:
A good example is running on a treadmill or jump and jacks
Answer:
the sun and earth are in different places but im not 100% sure bout it
Answer:
There is no mixing of oxygen-rich and oxygen-poor blood.
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The right atrium and right ventricle of the human heart pump oxygen-poor blood to the lungs and the left atrium receives oxygen-rich blood. They never mix.
Answer:
waterfall, waffle, and steak n' shake
Explanation:
BOOYAH!!