Specialised cells

FAT CELLS:

• Very little cytoplasm 

- This means they have plenty of room for large amounts of fat.

• Very few Mitochondria 

- This is because they use very little energy.

• They can expand

- This is so they can fill up with fat up to 1000 times their original size.

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CONE CELLS FROM HUMAN EYE:

• Outer segment is filled with "visual pigment" 

- This changes chemically in changed light and to be changed back it needs energy.

• The middle section has lots of mitochondria 

- This means the cell has a lot of energy to change the visual pigment back to it's original form.

• The final part is…