blood
- Created by: Muskaan Dhaliwal
- Created on: 07-08-19 17:31
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- blood
- blood is a tissue consisting of plasma in which: white blood cells and platelets are suspended
- plasma (55%)
- pale yellow fluid
- transports co2,hormones and waste
- red blood cells (45%)
- carries oxygen
- large surface area
- no nucleus
- full of haemoglobin
- white blood cells(< 1%)
- part of the immune system
- some produce antibodies
- others surround and engulf pathogens
- platelets (< 1%)
- fragments of cells
- clump together to form blood clots
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