Cells

Specialized cells and their structural adaptations

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Red Blood Cells

Haemoglobin - combine with oxygen

Biconcave shape - large surface area to volume ratio, promote efficient absorption and release of oxgyen

Absence of nucleus - more space to carry oxygen in cytoplasm

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Sperm Cells

Flagellum - to propel the cell to meet the ovum for fertilization

Acrosome - to release enzymes that digest the wall of the ovum

Many mitochondria in cell - to provide energy to cell to propel to the ovum for fertilization

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