b4
- Created by: deeyasyd
- Created on: 20-04-22 20:44
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blood plasma:
transports waste co2 to the lungs
urea is formed from excess protieins which is brought to the kidneys to be taken out of the bloodstream and passed as urine
foods from the small intestine are passed to the blood plasma to be passed to individual cells
red blood cells: carry oxygen
biconcave
red pigment due to haemoglobin which helps binds to the oxygen
no nucleus which allows space for the haemoglobin
white blood cells:
bodys defense system
lymphocytes ( produces anti toxins or antibodies to kill viruses
phagocytes ( engulfs and digests the virus)
ARTERIES:
carries oxygenated blood away from the heart to your organs
thick muscle fibred walls
can be dangerous to…
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