SOC15 The 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
2
Q
What does cardiovascular mean?
A
To do with the heart, blood and blood vessels together
3
Q
What is vasodilation?
A
When veins swell up or dilate; widening of the internal diameter of the blood vessel to allow increased blood flow
4
Q
What is vasoconstriction?
A
When veins shrink down; narrowing of the internal diameter of the blood vessel to decrease blood flow
5
Q
What is vascular shunting?
A
Process that increases blood flow to active areas during exercise by diverting blood away from inactive areas; achieved by vasodilation and vasoconstriction.
