1. List the five molecules transported by the cardiovascular system?
1. metal
2.salt
3. rock
4. Oxygen
5. Nutrients
2. What is the difference between veins, arteries and capillaries?
A vein is a blood vessel that carries blood toward the heart. Arteries are muscular blood vessels that carry blood away from the heart. Capillaries are the smallest body's blood vessels.
3. How is a persons blood type determined?
A person blood type is determined by their haelath. It is also determined by chemical character of the hemoglobin. Next it can be determined by the shape of the red blood cells.
Thursday, May 1, 2008
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