1. Animal cells – structure and function
B2 1 Cells
Animal cells – structure and function

2. Fat cells Have little normal cytoplasm. Have few mitochondria.
Can expand up to 1000x.
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3. Neurones Long and thin. Form connections with other neurones.
Can carry electrical impulses in one direction.
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4. Red blood cells Large surface area. Small diameter. No nucleus.
Contain haemoglobin.
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5. Muscle cells Elongated. Contain many mitochondria. Can contract.
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6. Sperm cells Large nucleus. Contain digestive enzymes.
Many mitochondria.
Have long tail.
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7. Gland cells Large cells. Lie next to blood capillaries.
Able to manufacture and secrete chemicals.
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8. Egg cells Large in diameter. Contain stored food. Large nucleus.
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