Zusammenfassung der Ressource
The Heart and Circulation
- The Heart is mainly made up of muscle tissue
- An ARTERY is a blood vessel carrying blood AWAY from the heart.
- A vein is a blood vessel carrying blood towards the heart
- A capillary is a very small blood vessel, very thin to allow substances to move in and out
- It contains valves to make the blood flow throughout the chambers without backflow
- A double circulatory system is when blood travels through the heart twice as it flows through the body
- The difference between ARTERIES and VEINS is that....
- VEINS - Have a valve, thinner muscles and walls, carries
detox blood
- ARTERIES - Uses elastic pumps, the recoil keeps pressure high, carries ox blood