sperm cell, carries male's DNA to female egg, has a long tail to help it swim, point head with chemicals to break into the egg, has many mitochondria for energy to swim, egg cel/ova, holds female's DNA, has extra nutrients in cytoplasm to support baby, red blood cell, carries oxygen around to other cells, flexible oval shape to travel through arteries and veins, no nucleus so more space for oxygen, root cell, transports nutrients from soil to plant, large surface area to increase water absorption, guard cell, opens and closes pores to allow gas to move in and out of plants, one wall is thicker to allow it to open/close

specialised cells

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