Red Blood Cell (Specialised Cell)

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Red blood cells

Main function is to transport oxygen around the body.

Erythrocytes

another name for red blood cells

Haemoglobin

protein molecule in red blood cells, It carries oxygen from other parts if the body and carbon dioxide back to the lungs

Narrow blood capillaries

they are flexible so they are able to squeeze through them

Features of a red blood cell

- membrane - Haemoglobin - bi-concaved surface (increases surface area to volume ratio) - no nucleus (increases space for the H molecules inside the cell to carry oxygen)


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