blood

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What are the main functions of the blood?
Transport of oxygen, carbon dioxide, water, nutrients and hormaones, defence against infection and heat regulation.
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What is the composition of blood?
plasma (the liquid fraction), erythrocytes (red blood cells), Buffy coat (white blood cells and platlets)
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what is the % of plasma in whole bood?
55%
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what is the % of Erythrocytes?
45%
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what is the composition of plasma?
water, blood proteins, nutrients, hormaones and electrolytes
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what are the different types of blood cells?
Erthrocytes (red blood cells), leucocyte (white blood cells), basophils, eosinophil, lymphocyte, monocyte, platelets.
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what are platlets?
small non-nucleated discs formed in the red bone marrow.
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what do they do?
functional in blood clotting
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what are erythrocytes?
They are biconcave, non-nucleated discs containing haemoglobin.
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what is it formed by?
red bone marrow
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what is the function of erythrocytes?
to transport oxygen from the lungs to tissues.
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what is a leucocyte?
they are white blood cells, they are the largest blood cell.
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what are their function?
they defend the body against microbes and other foreign materials.
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what do they contain?
nuclei, and some have granules in their cytoplasm.
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what are the different types of leucocytes?
granulocytes- (eosinophils, basophils, neutrophils) and Agranulocytes (monocytes and lympocytes)
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what is the composision of the granulocytes ?
contain multi-lobed nuclei and granules in their cytoplasm.
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what is the composition of Agranulocytes?
they contain a large nucleus and have NO granules in their cytoplasm
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using the pictures which one is the eosinophil, basophil, neutrophil, erythrocytes, platlets, monocyte, lymphocyte?
show pictures
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why do erythrocytes have their characteristic shape?
being biconcave inccreases their surface area which increases their ability for transporting oxygen.
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what is the difference between bird and mammal erythrocytes?
birds have a nuclues and are an oval shape and mammals dont have a nuclues and are a rounded shape.
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What is the composition of blood?

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plasma (the liquid fraction), erythrocytes (red blood cells), Buffy coat (white blood cells and platlets)

Card 3

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what is the % of plasma in whole bood?

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Card 4

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what is the % of Erythrocytes?

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Card 5

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what is the composition of plasma?

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