The four heart valves function as one-way valves, allowing blood to be pumped forward and preventing blood from regurgitating backwards.
(The four heart valves function as one-way valves; allowing; blood to be pumped forward and preventing blood from regurgitating backwards) Context(The four heart valves function as one - way valves allowing,List([0, 58))):(blood; to be pumped; forward)
The four heart valves function as one - way valves allowing,List([0, 58))
The four heart valves function as one-way valves blood
allowing to be pumped
blood to be pumped forward and preventing blood from regurgitating backwards
forward