| A | B |
|---|
| The percentage of your body's weight made up by blood | 7% |
| The amount of blood in the average adult | 14 - 18 pints or 6 - 8 litres |
| What the blood carries to all parts of the body | oxygen and nutrients |
| What blood carries away from all parts of the body | carbon dioxide and other waste products |
| Where the blood sends waste products | The lungs, kidneys and liver |
| What else blood is used for | To fight infections and heal wounds |
| What blood is composed of | Red blood cells, white blood cells, plasma and platelets |
| The four main blood types | A, B, AB and O |
| Each blood type is one or the other of these | RH positive or RH negative |
| The largest of the three types of blood cells | White blood cells |
| The number of white blood cells in one drop of blood | 7000 to 25,000 |
| Red blood cells make up how much of the blood's volume? | 40% |
| The function of blood platelets | To assist in the process of blood clotting |
| This type of white cell acts on smooth muscle and blood cell walls | Basophil |
| This type of blood cell acts against infestations of parasitic larvae | Eosiniphil |
| This type of blood cell recognises surface markers and targets them for destruction if foreign to the body | lymphocyte |
| This type of blood cell forms bone marrow | monocyte |
| The life span of red blood cells | 120 days |
| The components of plasma | Water, protein, salts |
| The function of blood plasma | To maintain blood pressure, carry nutrients, supply proteins for blood clotting and immunity |
| The percentage of people who use donated blood | 43% |
| The disease which 25% of blood products are used for | Cancer |
| The number of blood donations need for a burn victim | 20 |
| The number of blood donations needed for a liver transplant | 40 |
| The number of blood donations needed for heart surgery | 50 |
| The number of blood donations needed forThe number of blood donations needed for car accident victims | 40 |
| The number of blood donations needed for bone marrow transplants | 120 |
| The percentage of people who require blood in hospital | 10% |
| A consequence of massive blood loss | death |
| A blood clot may also be called this | an embolism |
