B9.1 Aerobic Resperation Flashcards
1
Q
Veins
A
Carries blood back to the heart at low pressure - doesn’t need thick, elasticated walls, but has valves to prevent blood flowing the wrong way.
2
Q
Capillaries
A
Carries blood away from the heart under high pressure - has a small lumen and thick, elasticated walls that can stretch.
3
Q
Arteries
A
Carries blood to cells and tissues.
4
Q
Double Circulatory System
A
Blood passes through the heart twice for every circuit around the body.