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WE NEED ENERGY - Coggle Diagram
WE NEED ENERGY
How do we breathe?
The respiratory system
trachea
alveoli
nose
The exchange of gases in the body
carbon dioxide
Oxygenated blood
oxygen
How our diaphragm works
Exhalation (breathing out)
ribcage
inhalation (breathing in)
What happens
to the food we eat?
The stages of digestion
lactose intolerant
faeces
ingestion
The digestive system
small intestine
epiglottis
mouth
Why does the heart
beat?
The circulatory system
Blood
vessels
veins
Blood circulation
valves
right ventricle
capillaries
How does the body clean
blood?
The urinary system
renal veins
bladder
kidneys
The sweat glands
epidermis
evaporates
sweat glands
