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5 Cards in this Set
- Front
- Back
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What are the 4 components of blood?
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-Red blood cells
-White blood cells -Plasma -Platelets |
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What are red blood cells and what are their role in the blood?
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The red blood cells contain haemoglobin, they are made in the bone marrow. They are disc shaped with no nucleus.
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What are white blood cells and what are their role in the blood?
(hint-name the two different types) |
Lymphocytes: About the same size as red blood cells but have a nucleus. They produce antibodies to destroy microorganisms and some lymphocytes will stay in our blood after infection to give us complete immunity.
Phagocytes: These are larger cells which have a spherical nucleus. They engulf bacteria and other microorganisms to give us immunity. |
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What is plasma?
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They are a fluid part of the blood and carry CO2, hormones and waste.
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What are platelets?
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The platelets clump together to form clots when we cut ourselves.
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