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What effects does the cutting of the muscles have on the valves?
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Veins have cuplike?
Veins have cuplike valves that keep the blood from flowing backwards when the muscles are at rest. These valves open when the muscles contract to force blood back up toward the heart.
Muscles that encircle tubes and act as circular valves are called?
sphincters
What are the tendons that connect the valves to the muslces?
The tendons that connect the valves to the muscles in the heart are known as chordae tendineae. They attach to the papillary muscles in the ventricles and help to prevent the valves from prolapsing or becoming too loose during contraction of the heart.
How did Pasteur solve limiting exposure to air?
he used s neck valves, cutting off exposure to microorganisms, not air
What are the long-term effects of exercise on the musculoskeletal system?
The long term effect of exercise is stronger muscles. With stronger muscles, your body won't tire as quickly as it used to.
What are equiped with the chordae tendinea and papillary muscles?
The heart valves are attached to the chordae tendinae and papillary muscles which function to open the valves.
The atrioventricular valves hAVe muscles and tendons associated with them. Name and describe the muscles and tendons and how they function to assist the AV valves?
The tendon chords are called chordae tendinae and they attach the tricuspid (right AV) and mitral (left AV) valves to muscles called papillary muscles, which are attached to the ventricular wall muscles. When the ventricle contracts, the papillary muscles also contract, pulling the valves closed and preventing the backwards flow of blood into the atria.
What are shells joined by strong muscles?
Valves
What structure connects the cusps of the AV valves to the ventricles?
papillary muscles
What is the function of the chordae tendineae and papillary muscles of the bicuspid and tricuspid valves?
The tendinous cords are located in the ventricles. The function of the tendinous cords that are attached to the bicuspid and tricuspid valves is to connect the atrio-ventricular valves to the papillary muscles.
What is the role of papillary muscle?
The papillary muscles are muscles located in the ventricles of the heart. The role of the papillary muscle is to prevent inversion or prolapse or the atrioventricular valves.
What are the effects of cutting?
Bleeding.
What are the organs involved in?
-Heart -Lungs -Muscles -valves bea
Muscles that encircle tubes and act as valves are called?
sphincters
Veins have cuplike?
Veins have cuplike valves that keep the blood from flowing backwards when the muscles are at rest. These valves open when the muscles contract to force blood back up toward the heart.
What is smooth muscle and valves?
Smooth muscles are involuntary muscles, muscles that you can not control, and are located in your organs like your stomach and intestines. Valves are located in your heart and they are like little doors that allow the blood to flow into the chambers when open and stop the flow when closed.
What are the organs that involve the circulation?
heart -Heart -Lungs -Muscles -valves
