transport in the blood
- Created by: siobhan
- Created on: 10-05-13 17:00
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- Transport in the blood
- The fluid plasma contains red blood cells, whit blood cells and platelets.
- Blood plasma transports: carbon dioxide from organs to lungs, soluble products of digestion from the small intestine to other organs, urea from the liver to the kidneys whee urine is made
- Red blood cells
- Biconcave discs which do not have a nucleus
- contain the red pigment haemoglobin
- use their haemoglobin which combines with oxygen to form oxyhaemoglobin in the lungs
- carry the oxygen to all the organs where the oxyhaemoglobin spilts into haemoglobin and oxygen
- white blood cells
- have nucleus
- form part of the body's defence system against microorganisms
- platelets
- are small fragments of cells
- do not have a nucleus
- help blood clot at the sit of a wound
- The fluid plasma contains red blood cells, whit blood cells and platelets.
- The fluid plasma contains red blood cells, whit blood cells and platelets.
- Blood plasma transports: carbon dioxide from organs to lungs, soluble products of digestion from the small intestine to other organs, urea from the liver to the kidneys whee urine is made
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