Answer:
A form of high intensity interval training, CrossFit is a strength and conditioning workout that is made up of functional movement performed at a high intensity level.
Explanation:
Answer:
the last 3 options are correct
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Answer:
Good hygiene lowers your risk for diseases and illnesses commonly spread through viruses and bacteria. Your hands come into contact with bacteria every time you cough, use the restroom, touch your pet, or touch surfaces, such as stair railings, used frequently by others
Explanation:
In the lungs, oxygen is put into the blood and carbon dioxide is taken out of the blood during the process of breathing. After the blood gets oxygen in the lungs, it is called oxygen-rich blood.
