Cardiovascular System Flashcards

1
Q

What is the cardio - respiratory system?

A

The interaction of the heart and lungs to supply oxygen to muscles during exercise

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2
Q

What is cardiovascular?

A

To do with the heart, blood and blood vessels together

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3
Q

What is vasodilation?

A

When viens swell up or dilate; widening of the internal diameter (lumen) of the blood vessel to allow increased blood flow

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4
Q

What is vasoconstriction?

A

When viens shrink down; narrowing of the internal diameter (lumen) of the blood vessel to decrease blood flow

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