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27 Cards in this Set
- Front
- Back
What are its main components?
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Heart, Arteries, Capillaries, Veins.
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What does it move around the body?
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Oxygen, Nutrient molecules, Hormones, Carbon Dioxide, Ammonia and other wastes.
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Where are blood cells produced?
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In bone marrow.
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What is Plasma (in blood)?
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Liquid part of blood, mostly water. Nutrients are dissolved in it.
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What are red blood cells? |
Disk shaped cells which carry Oxygen. They have haemoglobins.
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What are haemoglobins?
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They bind to oxygen or carbon dioxide, and make blood red.
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What are white blood cells? |
They are cells that fight infections caused by bacteria and viruses. Not many of them in blood.
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What are platelets? |
They are irregular shaped cells which stop blood from spilling and clogging blood to help wounds.
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Arteries |
- Transport blood away from heart. - Have thick elastic walls. |
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Arterioles
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- Control blood flow to capillaries. - Thick elastic walls. |
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Capillaries
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- Deliver oxygen to cells. - Very thin (1 cell) walls. - Interconnect arterioles to venules. |
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Venules
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- Connect capillaries to veins. - Medium thickness of walls. |
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Veins
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- Transport blood towards heart. - Often on surface, around muscles and bones. |
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What is Systemic Circulation?
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The system of blood vessels that delivers oxygenated blood to the body systems.
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What is Pulmonary Circulation?
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The system of blood vessels that delivers deoxygenated blood to the lungs to be replenished with oxygen. |
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What does left side of heart do?
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Receives oxygenated blood from lungs to pump around the body.
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What does right side of heart do? |
Receives deoxygenated blood to pump to lungs.
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Are Atriums (of heart) on the top of bottom area of the heart?
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Top area. |
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Are Ventricles (of heart) on the top or bottom area of the heart?
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Bottom area.
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The 3 main roles of the circulatory system are to provide nutrient and oxygen rich blood to the body’s tissues and ____________?
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remove waste products
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Which side of the heart has thicker muscle? Why?
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left. Pump to entire body, not just the lungs
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Where does pulmonary circulation and systemic circulation go?
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Pulmonary = lungs Systemic = body |
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What are the three types of blood vessels?
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Arteries, veins and capillaries
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In what type of vessel does the systemic blood travel away from the heart?
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Arteries
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What type of blood vessel contains valves?
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Veins
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What is the function of a erythrocyte?
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Carry oxygen
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What is the function of a leukocyte?
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Fight Disease
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