689102
Description
Mind Map by amybutler1998, updated more than 1 year ago
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Created by amybutler1998
over 10 years ago
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The blood
- Components of the blood
- Plasma
- Liquid part of blood
- carries blood cells around the body
- Carries dissolved nutirents, hormones, CO2 and urea
- Carries dissolved nutirents, hormones, CO2 and urea
- Liquid part of blood
- Red blood cells
- Structure
- Biconcave, disc-like cells
- No nucleus
- Millions in each mm3 of blood
- Biconcave, disc-like cells
- Transports oxygen- mainly hamoeglobin
- Loads oxygen in the lungs and unloads in other parts of the body
- Loads oxygen in the lungs and unloads in other parts of the body
- Structure
- White blood cells
- Lymphocytes
- roughly same size as red blood cells
- large spherical nucleus
- produce antibodies to destroy microorganisms
- Some stay in the blood after infection and give us immunity to specific diseases
- roughly same size as red blood cells
- Phagocytes
- Much larger cells
- lobed nucleus
- Engulf bacteria and microorganisms that have infected our bodies
- Much larger cells
- Lymphocytes
- Platelets
- smallest cells
- Release chemicals to make blood clot when we cut ourselves
- smallest cells
- Plasma
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