when warming up for a sport the body gets warm.
The heart beats fast and the heart pumps more blood around the body.
Muscles starts to stretch because all the muscles are warm enough and you become more flexible
The veins and arteries ( Blood vessels) start to show on your skin, because they are under high pressure.
They do this at a constant speed until you stop. The cardiovascular system
This process happens really fast. Increased blood pressure- as the cardiovascular system works to deliver more oxygen and glucose to the muscles ( systolic pressure rises and diastolic pressure remains unchanged).
Re-distribution of blood flow( the vasoconstriction, narrowing) of
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