THE BLOOD BUTTONS Click here Clicking here will

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

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

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

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

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

PRACTICE QUESTIONS incorrect What is the name of the pigment inside a red blood cell which transports oxygen? What colour is the blood component called plasma? haemoglobin chlorophyll blue red oxygen blood yellow purple 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? escape change colour cell membrane nucleus stay as liquid clot cytoplasm cell wall

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