Circulatory system components

Susana Herrero
Mind Map by Susana Herrero, updated more than 1 year ago
Susana Herrero
Created by Susana Herrero over 4 years ago
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3ESO-Mind Map

Resource summary

Circulatory system components
  1. Blood Vessels

    Annotations:

    • Arteries: carry blood from heart to the rest of the body. They have strong muscular walls. Veins: carry blood from the rest of the body to the heart. They have elastic walls Capillaries: allows substances to pass through cells or viceversa. They are very thin
    1. Arteries

      Annotations:

      • Blood in the arteries is under high pressure generated by the heart. The arteries have: 1.thick outer walls 2. thick layers of muscle and elastic fibres.
      1. Veins

        Annotations:

        • The blood in veins is under lower pressure than the blood in arteries. The veins have: 1. thin walls 2. thin layers of muscle and elastic fibres.3. Unlike arteries, veins have one-way valves in them to keep the blood moving in the correct direction.
        1. Capillaries

          Annotations:

          • The function of capillaries is to allow food and oxygen to diffuse to cells while waste is diffused from cells. Capillaries have thin walls - only one cell thick 
        2. Blood

          Annotations:

          • It transports: nutrients, oxygen, CO2, waste products (urea), hormones, etc.
          1. Plasma
            1. RBC
              1. WBC
                1. Platelets
                  1. Blood composition
                  2. Heart

                    Annotations:

                    • Pumps blood to different parts of the body
                    1. 4Chambers
                      1. Septum
                        1. Valves
                          1. Circulation
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