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THE BLOOD

Clicking here will move you to the next page. THE BLOOD. BUTTONS. Click here;. Clicking here will allow you to hear some information on the topic. Clicking here again will stop the sound. Clicking here will move you back a page. Clicking here will reveal some information.

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THE BLOOD

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  1. Clicking here will move you to the next page THE BLOOD BUTTONS Click here; Clicking here will allow you to hear some information on the topic. Clicking here again will stop the sound. Clicking here will move you back a page. Clicking here will reveal some information Clicking here will reveal an answer Clicking here will bring you back to this page. TOPICS Jump to … …4 main components of the blood (1 slide) Jump to … …Structure of blood cells (2 slides) Jump to … …Misconceptions (1 slide) Jump to … …practice questions (1 slide) Jump to … …exam questions (1 slide).

  2. 4 MAIN COMPONENTS OF THE BLOOD Click on the pictures to learn about their functions THE BLOOD 4 MAIN COMPONENTS • White blood cell • Defends against diseases • Kills microbes in the body • Plasma • Liquid component of the blood which transports: • CO2 • Soluble food • e.e. glucose & • amino acids • Urea • Hormones • Heat transfer • Platelets • Clot the blood which then prevents further bleeding inside and at the surface of the body • Red blood cell • Haemoglobin transports oxygen to cells in the body

  3. STRUCTURE OF RED BLOOD CELLS Click on any one of the boxes below to learn more… HOW TO ILLUSTRATE ON PAPER DESCRIPTION OF CELL Top view It has a biconcave shape (depression in the middle on both sides) which increases the surface area available to absorb oxygen. It is the only cell in the body which doesn’t contain a nucleus. This give more room in the cytoplasm to transport morehaemoglobin. Cell membrane Side view IMAGE - MICROSCOPE Cytoplasm  WHITE BLOOD CELL

  4. STRUCTURE OF WHITE BLOOD CELL Click on any one of the boxes below to learn more… HOW TO ILLUSTRATE ON PAPER DESCRIPTION OF CELL Top view It has an irregular shape and contains a noticeably large nucleus. Nucleus Cell membrane IMAGE - MICROSCOPE Cytoplasm  RED BLOOD CELL

  5. STRUCTURE OF BLOOD MISCONCEPTIONS Click on the speech boxes which you consider to be CORRECT. 4) The shape of red blood cell are biconcave so that the surface area is increased so that more oxygen is absorbed 4) The shape of red blood cells are biconcave so that more can fit into blood vessels 3) The size of platelets are much smaller than the size of red blood cells 1) Red blood cells transport oxygen while the plasma transports CO2 3) The sizes of platelets and red blood cells are similar 1) Red blood cells transport oxygen to the lungs and CO2 from the cells. 2) There is only one type of white blood cell namely a phagocyte 5) Only white blood cells can fight infection 2) There are 2 types of white blood cells namely phagocytes and lymphocytes 5) Red and white blood cells can fight infection

  6. PRACTICE QUESTIONS What is the name of the pigment inside a red blood cell which transports oxygen? What colour is the blood component called plasma? chlorophyll oxygen blood blue red yellow correct incorrect clot cell membrane nucleus cytoplasm cell wall stay as liquid haemoglobin purple escape change colour chlorophyll oxygen clot escape change colour haemoglobin yellow stay as liquid purple cell membrane nucleus cytoplasm cell wall blue red blood If we cut our skin the platelets cause the blood to … Which component of the white blood cell is not present in the red blood cell?

  7. EXAM QUESTION Transport Oxygen Nucleus Cell membrane Clot the blood Carbon dioxide UREA

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