The circulatory system and blood powerpoint
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The Circulatory is an amazing thing and many components are required to allow it to maintain the body. This also includes the blood and parts of the blood such as red and white blood cells.

The Circulatory is an amazing thing and many components are required to allow it to maintain the body. This also includes the blood and parts of the blood such as red and white blood cells.

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The circulatory system and blood powerpoint Presentation Transcript

  • 1. The Circulatory System and Blood
    By Arefeh Hosseini
  • 2. The Heart
    The heart is a muscular organ in the body
    Its function is to pump blood to the rest of the body
    The heart consists of two chamber, the right and the left.
    The right is relatively smaller because it receives the de-oxygenated blood and the left spreads the oxygenated blood.
  • 3. The Lungs
    The lungs two spongy organs that sit inside the chest, on either side
    Their function is to replenish the blood’s oxygen and rid of waste or carbon dioxide
    The lungs are very important as they are also part of the respiratory system
  • 4. Arteries
    Arteries are thick vessels that lead from the heart and spread to every part of the body
    They branch into finer part until they reach capillaries
    Arteries are always carrying blood, containing lots of oxygen and glucose
    This supplies the body with the needed amounts of supplies
  • 5. Capillaries
    Capillaries are super thin vessels
    They are so thin in fact that glucose and oxygen are able to diffuse through them
    These then are able to distribute the energy and oxygen
    They then soak up (diffusing) blood that contains carbon dioxide that is what is created when the oxygen is used by the body
  • 6. Veins
    The veins are vessels thickening as they approach the heart
    Their job is to take blood that has been used and contains carbon dioxide back to the heart
    The pulmonary vein carries the de-oxygenated blood to the lungs, this is where the exception of veins occurs as they go from the heart to the lungs
  • 7. RedBlood Cells
    Red blood cells are a component of blood that runs through veins and arteries
    These cells carry oxygen and glucose, but they also return waste known as carbon dioxide
    They spread the food we eat and the air that we breath to the rest of our bodies
    The tiny biconcave RBC's contain oxygen that attaches haemoglobin to be carried around the body.
  • 8. White Blood Cells
    White blood cells are a component in the blood
    Their function is to rid the body of germs, infection and diseases
    They do this by almost swallowing and engulfing the germs in the antibodies that they carry
    This eliminates diseases and infection and helps us stay healthy
    They are part of the immune system also
  • 9. Platelets
    Platelets are a vital component of blood
    They are the clotting factor
    Their exact function is to rush to the area that a cut or a bruise has occurred
    They next begin to bond and harden the blood that is flowing from the wound
    Eventually they stop the blood
    Without platelets men may die and women too once their menstrual cycle begins
  • 10. Plasma
    Plasma is the largest component of blood as the other components are embodied within it
    The plasma is a straw coloured liquid containing the red and white blood cells as well as the platelets
    However waste or carbon dioxide, water, and nutrients are also carried around the body in the plasma