The bulb! I hope this helps :)
Answer:
Warming up before exercising has your cardiovascular system ready for physical activity by increasing blood supply to your muscles and boosting your body temperature. It can prevent you from having cramps on some parts of your body or prevent hurting yourself or in this case your muscles.
Explanation:
Hope this helped, that's what i got out of my lifetime wellness class.
<span>Platelet is a term that is not used to refer to white blood cells. Platelets are the smallest of all blood cells, and make up a very small fraction of blood volume. The function of platelets is to prevent bleeding, whereas the function of white blood cells is to fight off infection and increase immunity to disease.</span>
