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Shaped for large surface area
No nucleus for bigger usable volume
==Key Stage 3==
===Meaning===
[[File:Blood.png|right|300px|thumb|A magnified image of blood going through a capillary.]]
A '''red blood cell''' is [[Specialised Cell|specialised cell]] which carries [[oxygen]] around the body.
===Adaptations of Red Blood Cells===
: '''Red blood cells''' are shaped to fit through [[capillary|capillaries]] without getting stuck.
: '''Red blood cells''' are shaped to have a large surface area.
: '''Red blood cells''' have no [[nucleus]] to provide a bigger volume inside to store oxygen.
===About Red Blood Cells===
: All [[muscle]]s in the body are made of '''muscle cells'''.
: '''Muscle cells''' are specially [[Adaptation|adapted]] to allow for movement.
: Many '''muscle cells''' grouped together make [[Muscle Tissue|muscle tissue]].
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