How much physical activity should an adult have each week?
a.
60 minutes per day, 7 days a week
b.
30 minutes per day, 7 days a week
c.
60 minutes per day, 5 days a week
d.
30 minutes per day, 5 days a week

Which describes the effect of prolonged stress on blood pressure? it causes blood pressure to decrease. it has little or no effect on blood pressure. it causes the heart to pump with more force. it causes blood pressure to increase.