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PE Paper 1 > Venous Return Mechanisms > Flashcards

Venous Return Mechanisms Flashcards

1
Q

Venous Return

A

The return of blood back to the heart via veins

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2
Q

Memory method

A

MRSGP

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3
Q

MRSGP

A

Muscle Pump
Respiratory pump
Smooth muscle
Pocket valves
Gravity

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4
Q

Muscle pump

A

Veins situated between muscles squeeze to push blood back to heart

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5
Q

Respiratory pump

A

Suction effect of chest cavity (when breathing) pulls blood back to heart

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6
Q

Smooth muscle

A

Vein walls constrict to push blood back to heart

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7
Q

Pocket valves

A

Prevent backflow of blood

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8
Q

Gravity

A

Causes blood from above the heart to be pushed back to heart

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PE Paper 1 (32 decks)

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