Heart rate reserve is used to calculate
2 answers:
The answer should be a. training intensity
The answer would be Training intensity. so A
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A. A persons thoughts and feelings about himself characterize a persons sense of self.
Answer: all of above
Explanation:
Nutrients is basically food. What happens when you don't have enough food in your body? You get hungry. The answer is hunger.
I think it's CARBON DIOXIDE
I am not sure.
The glands of the endocrine system secrete hormones into the bloodstream to maintain homeostasis and regulate metabolism.
