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The circulatory system
Karin Dal Ri
Created on March 3, 2023
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Transcript
THECIRCULATORY SYSTEM
The circulatory system is made up of
- heart
- blood vessels
- blood
The heart
- It is a hollow muscle.
- It is located in the centre of your chest, slightly to the left.
- It is a pump.
- It pumps blood throughout your body.
blood vessels
Lorem Ipsum
- Arteries carry blood away from the heart.
- Veins carry blood to the heart.
- Capillaries connect arteries and veins.
Tempor Laor
Veins
Arteries
Capillaries
Have thick elastic walls and a small lumen.
Have thinner walls, large lumen and valves.
Have single-cell walls and a very small lumen.Permit gas exchange with cells (deliver oxygen and take away carbon dioxide).
blood
Lorem Ipsum
- Transports water, oxygen, nutrients and wastes to and from body cells.
- Is made up of solids, liquids and small amounts of gas.
Tempor Labor
- The liquid part of blood is plasma, a yellowish liquid made in the liver.
- The solid part of blood is
- red blood cells
- white blood cells
- platelets
blood groups
Tempor Labor
ViDEO