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No, they do not need any. The only valve that has anything to do with the lungs is at the top of the trachea (windpipe) and closes off the lungs when you swallow, it is called the epiglottis.
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What is the functions of the Semilunar valves?
the function of the semilunar valves are that they provied the lungs with glucose and oxygen
What are the organs involved in?
-Heart -Lungs -Muscles -valves bea
What are the organs that involve the circulation?
heart -Heart -Lungs -Muscles -valves
Function of semilunar valves?
the function of the semilunar valves are that they provied the lungs with glucose and oxygen.
What is a bugler?
One who plays a brass instrument, much in the shape of a trumpet, but without any valves. All tone pitch changes are done with the lips and varied wind pressure from the lungs.
Through how many heart valves must a blood cell pass as it moves from the brain to the lungs?
2
What brings blood to the lungs for gas exchange?
The heart pumps blood to the lungs to be reoxygenated. Valves in our veins and the muscle contractions of our legs helps bring blood from the lower limbs to the heart.
Which chambers of the heart are responsible for pumping blood throughout the lungs and body?
the right ventricle ...
What is the bottom chamber called?
the bottom chambers of the heart are the left and right ventricles and pump blood to the aorta and lungs respectively.
Does blood enter the heart through the ventricles?
No. The blood is always pumped in one direction.
What statement is true of arteries?
Arteries carry blood with oxygen to the heart. Veins carry blood full of carbon dioxide to the lungs. Arteries have a thick wall. Veins have a thin wall. Arteries have no valves. Veins have valves.
What do veins have to prevent blood from flowing backward?
One-way valves prevent the back flow of bloodThere are tiny one way valves throughout a vein. These stop blood from flowing backwards. Interestingly, when these valves in veins in the legs malfunction, the result are varicose veins.
