I think that C. 30 is the minimum recommended spf for sunblock.
I think the answer is B. Overload principle.
The overload principle puts load on the body. Usually more than the body is used to.
Hope this helps!:)
Answer:
#2 Heart rate monitor
Explanation:
To make sure she is keeping track of her heart rate
Answer:
unintentional injury and homicide were the 2nd leading cause of death for people aged 15 to 24
When we breathe, oxygen gets into our bodies. Every day about 2,000 gallons of circulating blood travel through an estimated 60,000 miles of blood vessels<span> which link all the cells and organs of our body.
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The respiratory system is made up of organs and tissues that help you breathe. The main parts of this system are the airways, the lungs and linked blood vessels, and the muscles that enable breathing.
