veins, arteries and caps Flashcards
1
Q
veins carry blood
A
towards heart
2
Q
veins have (lumen, walls)
A
wide lumen and thin walls to llow blood to flow easily
3
Q
caps allow ____ from blood into body cells
A
diffusion of gasses
4
Q
the ____ allows gaseous exchange to take place in caps
A
semipermeable membrane
5
Q
walls and lumen of caps
A
very thin wall ( semipermeable/ one cell thick), very thin and small lumen allowing blood to pass one cell at a time
6
Q
arteries carry blood
A
away from the heart
7
Q
arteries have ( lumen alls)
A
thick muscular wall with small lumen to eithstand high blood pressure
