biology

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  2. RED BLOOD CELLS
    no nucleus so they are packed with haemoglobin.
    haemoglobin combines easily with oxygen.

    haemoglobin+oxygen-->oxyhaemoglobin
  3. white blood cells
    a) engulfing white cells

    b) antibody producing cells.
  4. Platelets
    help the blood to clot at a wound.
  5. Plasma
    carries almost everything. including.....
    *red and white blood cells
    *digested food
    *amino acids
    *carbon dioxide
    *urea
    *hormones
  6. arteries carry oxygenated blood away from the heart.
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  8. veins carry deoxygenated blood back to the heart.
  9. Capillaires are only 1 cell thick.
    They deliver food and oxygen to the body cells and take waste products away.
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  11. cardiac arrest= the coronary artery becomes blocked by fatty deposits.
    Smoking and high blood pressure also damage the arteries making it easier for the fats to build up
  12. to prevent heart attack:
    *cut down on fatty foods
    *eat at least 5 portions of fruit and veg a day
    *get regular exercise
    *avoid stress
    *cut down on salt
Author
JemmaMcc_12
ID
191430
Card Set
biology
Description
transport systems
Updated