Author Question: When you begin exercising A) systolic pressure decreases. B) capillaries close. C) cardiac ... (Read 64 times)

ericka1 · **on:** Aug 6, 2018

When you begin exercising

A) systolic pressure decreases.
B) capillaries close.
C) cardiac output increases.
D) blood vessels leading to active muscles constrict.

Question 2

Which condition can cause a forward tilt of the pelvis and an increased curvature of the lower back?

A) Weak trunk flexor muscles B) Loose extensor muscles
C) Strong abdominal muscles D) Tight hip flexor muscles