Narrowing of blood vessels (e.g. around the intestines during exercise) to allow more blood to divert to other areas of the body
Vasodilation?
Widening of blood vessels (e.g. around the muscles during exercise) to help increase the blood flow to certain areas of the body that need more blood during exercise.
Blood pressure has two measurements?
Systolic blood pressure
Diastolic blood pressure
Systolic blood pressure
The pressure on the arteries when the heart contracts
It is the higher of the two blood-pressure values
Diastolic blood pressure?
The pressure on the arteries when the heart relaxes