Cardiovascular organisation Flashcards
1
Q
What is the cardiovascular system?
A
- A closed loop.
- Blood is circulated around the body to all tissues.
2
Q
What are arteries?
A
Carry oxygenated blood to the organs and tissues.
3
Q
What are veins?
A
Carry deoxygenated blood to the heart.
4
Q
What are arterioles?
A
- Branches of arteries.
- Develop into even smaller beds and vessels called capillaries.
5
Q
What are capillaries?
A
- All tissue gas + nutrient exchange occurs here.
- Blood passes from capillary beds to small venous vessels called venules.