compositon of blood
- Created by: Chantelle..
- Created on: 24-05-18 13:33
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- Composition of blood
- small sample of blood spun very fast
- in a machine called Centrifuge
- the colour red disappears
- clear pale yellow liquid seen
- red colour becomes a pellet at the bottom
- Yellow liquid is a plasma
- makes 50% of the blood
- plasma: 90% water
- transports dissolved substances
- 45% mainly red blood cells (erythrocytes)
- white blood cells (leucocytes)
- fragments of platelets
- platelets: triggers blood clotting
- components of blood
- erythrocyte, leucocyte and thrombocyte
- erythrocytes: carry oxygen and some carbon dioxide
- leucocytes: helps destroy bacteria
- erythrocyte, leucocyte and thrombocyte
- neutrophils: B- type cells produce antibodies
- Lymphocytes: T- type cells destroy viruses and cancer cells
- monocytes: remove dead cells and bacteria
- small sample of blood spun very fast
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