2643812
Description
Mind Map by Sara Goldstein, updated more than 1 year ago
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Created by Sara Goldstein
about 9 years ago
|
|
BLOOD
- 45% Red Blood
Cells
- contain haemoglobin,
which binds/ carries
oxygenated releases it in
hypoxic areas.
- Haemoglobin contains
iron, which makes RBCs
red. Anaemia is a serious
disease caused by lack of
iron
- Made in the
bone marrow-
skull & pelvis
- Bioconcave
shape to
increase high SA
- RBCs are stripped of al
organelles, including the
nucleus, so that they can
contain maximum haemoglobin
to carry the maximum amount
of oxygen.
- Flexible to
squeeze through
tiny capillaries
- Transport oxygen from
the lungs to all the
cells in the body
- In the lungs,
haemoglobin react
with oxygen to
become
oxyhaemoglobin, In
body tissues the
reverse happens to
release oxygen into
the cells.
- NO nucleus- frees up space
for more haemoglobin, so they
can carry more oxygen
- contain haemoglobin,
which binds/ carries
oxygenated releases it in
hypoxic areas.
- 49% Plasma
- Pale yellow
liquid that
carries just
about
everything that
needs
transporting
around the body
- Red and
white blood
cells and
platelets
- digested food
products-glucose,
amino acids,
sugars, fat, salts,
minerals- from
the gut to all
body cells
- Carbon
dioxide from
body cells to
lungs
- Urea from
the liver to
the kidneys
- hormons-
chemical
messengers
- Heat energy
- antibodies
- clotting proteins
- Red and
white blood
cells and
platelets
- High water content
- helps
maintain
body temp.
- 4% Platelets
- when you damage a
blood vessel platelets
clump together to help
form a clot
- blood clots stop
you losing too
much blood and
prevent
micro-organisms
from entering
the wound
- in clots, platelets are held together by a mesh of protein called fibrin,
these tangle up red blood cells to help from a clot
- when you damage a
blood vessel platelets
clump together to help
form a clot
- 1% White Blood
Cells
- 5 kind of white blood cells-
neutrophils, monocytes,
lymphocytes, eosinophils and
basophils
- important for
immune system
- some can engulf bacteria and other
pathogens by phagocytosis. They
can change shape easily and
produce enzymes that digest the
pathogens.
- some can
secrete
antibodies that
help destroy
pathogens
- 5 kind of white blood cells-
neutrophils, monocytes,
lymphocytes, eosinophils and
basophils
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