give three examples of when blood plasma transports substances:
carbon dioxide from the organs to the lungs / soluble products of digestion from the small intestine to other organs / urea from te liver to the kidneys where urine is made
2 of 10
what are red blood cells?
biconcave discs which do not have a nucleus
3 of 10
what do red blood cells contain?
red pigment haemoglobin
4 of 10
what and where does haemoglobin form when it combines with oxygen
it forms oxyhaemoglobin in the lungs
5 of 10
what does the oxyhaemoglobin do?
carries oxygen to the organs where is splits up again to form oxygen and haemoglobin
6 of 10
name two features of white blood cells:
have a nucleus / form part of the body's defence system agains microorganisms
7 of 10
what are platelets?
small fragments of cells
8 of 10
whats the structure of a platelet?
does not have a nucleus
9 of 10
what is the function of platelets?
help blood clot at the site of a wound
10 of 10
Other cards in this set
Card 2
Front
give three examples of when blood plasma transports substances:
Back
carbon dioxide from the organs to the lungs / soluble products of digestion from the small intestine to other organs / urea from te liver to the kidneys where urine is made
Card 3
Front
what are red blood cells?
Back
Card 4
Front
what do red blood cells contain?
Back
Card 5
Front
what and where does haemoglobin form when it combines with oxygen
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