As the exercise progresses, muscular activity __ venous return. this increases the _ on the right ventricle.

1 answer:

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As the exercise progresses, muscular activity increases venous return. This increases the pre-load on the right ventricle. During venous exercise, the rhythmic pump of the muscles facilitates venous return by forcing the blood through one way valves that lead to the heart. Additionally, increased lung activity which creates a change in thoracic pressure that draws blood towards the heart. Regular exercises improves the venous return by increasing total blood volume, increasing end diastolic volume and increasing the size and contractile strength of the heart muscle.

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Cranial Nerves:

The cranial nerves are the set of 12 pairs of nerves which are originated from the brain. As they are responsible for some of the essential functions , such as vision, smell, and balance of the human body structure.

The 12 pairs of the cranial nerves are as as under:

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Explanation:

Optic chasma:

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As the exercise progresses, muscular activity __________ venous return. this increases the _________ on the right ventricle.

As the exercise progresses, muscular activity __ venous return. this increases the _ on the right ventricle.