Wednesday, February 2, 2011


1. Read and write the next definitions. (do it in a piece of paper if you don´t have your notebook)
2. Check out this video of circulatory system.
3. Write with your own words what you learned about the video.

Circulation: movement of blood through the circulatory system to transport nutrients, oxygen and waste.
Heart: muscular organ responsible for pumping blood throughout the blood vessels.
Blood vessels: tubes that transport blood.
Blood: red liquid that transports substances throughout your body.
Artery: blood vessel that carry blood away from the heart to other organs.
Veins: blood vessel that carry blood to the heart.
Capillary: smallest blood vessel that connect arteries to veins.