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Respiration (The Heart (a muscle, Pushes blood around body, A vital organ,…
Respiration
The Heart
a muscle
Pushes blood around body
A vital organ
Left side a bit bigger
Underneath Breastbone
Blood
Red Blood Cells
Respiring Blood cell
No nucleus
Haemoglobin
Carry Oxygen
Platelets
Make clots
Seal cuts
Plasma
55% of blood
Mostly water
Carries dissolved food
To every cell in the body
White Blood Cells
Immune system
Fight disease
Energy release from food in cells
Controlled reaction
Slow and gradual
Glucose + Oxygen
Vessels
Veins
Blood back to heart
Similar to arteries
Has 1 way valves
Prevents blood going wrong way
Due to gravity
Capillaries
1 cell wide
Allows fast and easy movement of substances
Only allows
Red Blood Cells
Platelets
Most common
Almost everywhere in the body
When arteries change to veins
When veins change to arteries
Where substances are exchanged
Arteries
Blood from heart
Withstand enormous pressure
Very thick
Muscular
Breathing
Inhaling
Needs to contain oxygen
Gets sent into the blood
Goes to lungs
Exhaling
Gets rid of all waste
Carbon Dioxide
Nitrogen
Oxygen
Lungs aren't 100% efficient
Water vapour