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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