Are you ok? *hugs* Its going to be ok i have been throught this
It tell us the minimum heart rate for cardiovascular exercises
It shows us the heart rate that we need to achieve in order for our body to increase its metabolism above normal state, which resulted in increased calories burning.
Answer:
reproductive and endocrine
Explanation:
endocrine because ovaries secrete hormones directly into the blood.
reproductive because they produce egg cells for fertilization
