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22 Cards in this Set
- Front
- Back
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What does blood transport to cells?
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oxygen, nutrients
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What does blood pick up from cells?
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waste materials including carbon dioxide, heat and extra water
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What are the closed system of tubes which carry blood called?
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blood vessels
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What are the 3 main types of blood vessels?
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arteries
veins capillaries |
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What is the job of arteries?
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carry blood away from the heart
they are rich in oxygen |
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What is the job of veins?
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carry blood from the body TO the heart
carries waste materials |
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What is the job of capillaries?
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connect veins and arteries
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What makes up the circulatory system?
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heart
blood vessels blood |
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How many chambers make up the heart?
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four
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What are the upper chambers called?
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atria
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What do the atria do?
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They receive blood.
Right- receives blood from the body Left- receives blood from the lungs |
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What are the lower chambers called?
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Ventricles
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What do the ventricles do?
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Right- pumps blood to the lungs
Left- pumps blood to other parts of the body |
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What keeps blood flowing in one direction?
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valves
(thin flap of tissue) |
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What is the name of the muscular wall which divides the right and left side of the heart?
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septum
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What is a pulse?
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heartbeat
When blood is forced into the arteries |
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What is the fluid portion of blood called?
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plasma
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How many components are there to blood?
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four
red blood cells white blood cells platelets plasma |
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What is the job of red blood cells?
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cell that carries oxygen throughout the body
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What is the job of white blood cells?
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defends the body against invading organisms
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What is the job of platelets?
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aids blood clotting
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What is hemoglobin?
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iron containing protein found in red blood cells
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