a. it is not an essential nutrient. alcohol supplies 7 calories of energy per gram. good for cold
Answer:
Cardiovascular and respiratory.
Explanation:
Aerobic excerise raises your heart rate and incresases blood flow. Doing excersises repeatedly that raise your heart rate to and elevated, steady rate help with cardiovascular conditioning, and the respiratory system contributes by regulating your breathing, and oxygen reaching your blood, being pumped by the heart.
Good for Rachel ...........
The answer would be A. If you stretch Before a Activity you will be able to Avoid Pulling a Muscle, Plus Its a Type of a Warm Up.
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