What Is Blood? | Animated Music Video |

Learn the basic functions of the blood in a fun and easy way! See how the blood transports oxygen from the lungs to the cells, removes metabolic wastes from the cells, helps the body fight disease, and helps heal damaged blood vessels. The roles of the blood plasma, red blood cells, white blood cells, and platelets are described in rhyme; keywords are spelled out to reinforce science vocabulary.

After watching this video you should be able to:
• Describe the purpose of the human bloodstream.
• Distinguish the liquid component of blood from the formed elements in blood.
• Describe the function of erythrocytes (red blood cells).
• Describe the function of leukocytes (white blood cells).
• Describe the function of platelets.
• Describe the role of megakaryocytes.
• Identify the site where blood cells are produced.
• Distinguish arterial blood from venous blood.
• Name the types of blood vessels in the circulatory system.
• Explain how the bloodstream helps maintain homeostasis.

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