como esta mi blog

lunes, 29 de noviembre de 2010

summary #8

In this topic I learn about the blood system.
I learn that the plasma is a plate- yellow liquid part of the blood that contain nutrients , also that the hemoglobin is a chemical that carries oxigen around in the body ,also about platelets that is a cell  fragment in blood that helps blood to form clots, arteries are blood vessels that carries blood aaway from the heart ,the veins also are blood vesselsthat carries blood toward the heart, capillarythe smallest type of blood vessels ,where materials are exchanged between blood and body cells transfussion is when is taking blood from one person to another person , antibody is a protein in blood that help destroy materials that can be harmful.

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