The heart Flashcards
1
Q
What is the function of the artery?
A
The artery carries blood away from the heart
2
Q
What is the function of the vein?
A
The vein carries blood to the heart.
3
Q
What is the function of the capillary?
A
The capillary carries blood to tissues and cells and connects arteries and veins.
4
Q
What is the structure of the artery?
A
-Thick, muscular and elastic walls
-Walls can stretch and withstand high pressure.
-Small lumen
5
Q
What is the structure of the vein?
A
-Have values to stop blood from flowing the wrong way.
-Thin walls
-Large lumen
-
6
Q
What is the structure of the capillary?
A
- One-cell-thick - short diffusion distance for substances to move between blood and tissues.
-Very narrow lumen
