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we need energy - Coggle Diagram
we need energy
how do we breathe
bronchi
mouth
nose
carbon dioxide
lungs
oxygen
what happens to the food
ingestion
propulsion
absorsion
mouth
saliva
defecation
digestive
digestion
nutrition
why does the heart beart
vessels
heart
blood blood
ventricle
capelliares
plasma
how does the body clean blood
renal veins
urine
urinary
epidermis
evaporates
urethra
