Soc 15 Flashcards
1
Q
Cardio-respiratory system
A
The interaction of the heart and lungs to supply oxygen to muscles during exercise.
2
Q
Cardiovascular
A
To do with the heart,blood and blood vessels together
3
Q
Vasodilation
A
When veins swell up or dilate;widening or the internal lumen(increased blodd flow)
4
Q
Vasoconstricton
A
When veins shrink down;narrowing of the internal diameter(decreased blood flow)
5
Q
Veins
A
Carry blood into the heart
Much less elastic
Lower pressure
6
Q
Arteries
A
Brings blood away from the heart
Higher pressure
More elastic
7
Q
Capillaries
A
Distribute blood within organs and muscles
Carry nutrients to the muscles