(dy Heart
(c) Intestine
pressing on your wrist exactly on
(a) vein
(b) capi
(d) arte
(c) artery
The blood vessel supplying bloo
(a) renal vein
(b) re
When a doctor is recording you
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Explanation:
Mechanisms to Return Blood
The return of blood to the heart is assisted by the action of the skeletal-muscle pump and by the thoracic pump action of breathing during respiration. As muscles move, they squeeze the veins that run through them. Veins contain a series of one-way valves.
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