Circulatory System Flashcards
1
Q
Arteries
A
Transport blood away from the heart
2
Q
Veins
A
Transport blood to the heart
3
Q
Valve
A
Opening closes to control the blood going in and out of the heart
4
Q
Capillary struct
A
Only one seller thick, and a site of exchange of materials
5
Q
Percapillary sphincters
A
Limit the amount of blood that enters the capillary
6
Q
Nodes-sinoatrial(SA)
A
Initiates electrical signals, which they spread to the rest of the heart
7
Q
Atrioventricular(AV)
A
Slows the signal, and allows the ventricles to fail before it moves
8
Q
Plasma
A
Acts as solvent
9
Q
Red blood cells
A
Carry oxygen to all cells
10
Q
White blood cells
A
Function in the immune system
11
Q
Platelets
A
Function in clotting
