Animal cells – structure and function

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Presentation transcript:

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

Fat cells Have little normal cytoplasm. Have few mitochondria. Can expand up to 1000x. AQA Science © Nelson Thornes Ltd 2006 2

Neurones Long and thin. Form connections with other neurones. Can carry electrical impulses in one direction. AQA Science © Nelson Thornes Ltd 2006 3

Red blood cells Large surface area. Small diameter. No nucleus. Contain haemoglobin. AQA Science © Nelson Thornes Ltd 2006 4

Muscle cells Elongated. Contain many mitochondria. Can contract. AQA Science © Nelson Thornes Ltd 2006 5

Sperm cells Large nucleus. Contain digestive enzymes. Many mitochondria. Have long tail. AQA Science © Nelson Thornes Ltd 2006 6

Gland cells Large cells. Lie next to blood capillaries. Able to manufacture and secrete chemicals. AQA Science © Nelson Thornes Ltd 2006 7

Egg cells Large in diameter. Contain stored food. Large nucleus. AQA Science © Nelson Thornes Ltd 2006 8