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we need energy - Coggle Diagram
we need energy
What happens to the food we eat?
The stages of digestion
Propulsion
Absorption
Ingestion
The digestive system
stomach
intestine
mouth
How do we breathe?
The exchange of gases in the body
oxygen
Oxygenated blood
deoxygenated blood
How our diaphragm works
Inhalation
Exhalation
diaphragm
The respiratory system
trachea
mouth
nose
Why does the heart beat?
blood circulation
valves
aorta
pulmonary
circulatory system
plasma
platelets
Veins
how does the body clean blood?
the urinary system
urine
kidneys
bladder
the sweat glands
dermis
evaporates
sweat
