Zusammenfassung der Ressource
BLOOD VESSELS
- CAPILLARIES
- Narrow Lumen
- One cell thick wall
- Diffusion blood
- Respiring tissues
- VEINS
- Carry Deoxygenated blood except for Pulmonary vein
- Towards heart
- Low pressure
- Thinner elastic walls
- POCKET VALVES
- Conatin more valves
- Atria-Ventricular
- Semilunar
- Makes it flow in one direction
- No pulse
- ARTERIES
- Oxygenated except for Pulmonary artery
- Away from heart
- Bright red
- Thick Muscle
- Can expand and relax
- Elastic layer
- High Pressure