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we need energy - Coggle Diagram
we need energy
the exchange of gases in the body
O2
carbon
oxygen
the respiratory system
broncy
alveoly
nose
how our diaphram works
exhalation
breathing in
ihalation
what happens to the food we eat?
the stages of digestion
defecation
absorption
ingestion
the digestive system
chyme
juices
mouth
why does the heart beat
blood cyrculation
cava
capillares
heart
the cyrculatory system
plasma
veins
blood
the urynary system
kidneys
urethra
veins
the sweat glands
sweat
dermis
epidermis
