Respuesta :
I believe it is either one or five, i am not sure though.
Answer:
1 and 5
Explanation:
warm-up before a workout ensures that muscles are well supplied with oxygen which prepares the body by raising its temperature for the cardiovascular exercise. It also prevent injuries and improve blood and oxygen supply in the body.
On the other hand, cooling down after an exercise allows for a gradual recovery of pre exercise heart rate and blood pressure.