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The role of the chordae tendinae (or heart strings) hold the positions of the flaps from the valves (tricuspid and the bicuspid/mitral valve) they basically help with preventing the backward flow of blood. The tendinae are attached to the valves and the papillary muscles :)
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.
The role of non-striated muscles in the stomach is to churn foods for digestion. Non-striated muscles are smooth and have involuntary movement.
The truth is that muscles give your body movement.
brachialis
The role of muscles in our body is enabling us to move our body, whn stimulated by a nerve. Muscles can contract as your brain tells them to. With out our muscles we would not be able to make any movements.
The myocardium is the muscles that surround and power the heart.
movement of muscles to move the bolus downward
Biceps. Brachhil
controls the muscles by the motor nurons.
tendons helps to attach muscles to the bones
potassium