What happens immediately upon orthostasis?

Why does the venous flow to the heart not change on orthostasis?

What factors affect the pressure at the feet? (3)

After prolonged orthostasis, what happens to blood in the legs?

What is the result of this?

What homeostatic mechanisms correct postural hypotension, and how is it detected?

What makes postural hypotension worse? (4)

What are the 3 main things the body needs to do when we exercise?

What small responses are integrated to provide for the body's needs in exercise? (3)

What causes the increased HR in exercise? (4)

What causes the increased SV? (3)

Why does blood flow to exercising muscle and skin increase?

If vasodilation in muscle and skin causes a fall in TPR, how is BP maintained during exercise?

Why does static exercise (e.g. weight lifting) increase BP more than dynamic exercise?