[5,000,000 per CM3]
Made in RED BONE MARROW
live for 4 MONTHS - destroyed in LIVER SPLEEN

red pigment - IRON

no nucleus = Haemoglobin

BICONCAVE shape = increased surface are

Haemoglobin
> a Protein
> contains Iron = carries O2
Haemoglobin + oxygen --------> oxyhaemoglobin
CO poisoning

Haemoglobin has a GREATER AFFINITY for CO than O2.

breathed CO - less O2 binds with haemoglobin - tissues starve - no energy -death

CO = Car exhausts fumes and cigarettes

	Created by emily Wallace about 9 years ago

Edexcel IGCSE circulation topic 1 LV