CELL STRUC TURE
What’s inside your cells? Jo used to be a fast runner. But now she finds it an effort just to walk. Jo’s doctor thinks her muscle cells are not working correctly.
Cell parts in animals F
CU S O N
of how each part it s lp he ll ce e th to carry out life processes.
Nucleus
Ribosome Mitochond rio mitochond n/ ria
You may have seen a microscope image like this of a cell from your body. If you look closely, you might see that there are different parts visible inside it. The drawing below shows the parts more clearly.
M
Why do animal cells have parts like these? The different parts of the cell are needed to keep the cell alive. They carry out life processes, like removing waste, helping the cell grow, and supplying energy. WR ON G!
Cell memb rane Cytoplasm
PL E
Can you figure out where the problem is?
T ERMS
Microscope image of an animal cell
Look at the opposite page for a description of each part.
Cells are flat like the simplified picture.
RIG HT!
SA
Real cells are 3D, like balloons, not pancakes.
CELL MEMBRANE lets substances in and out
RIBOSOME makes proteins
NUCLEUS controls the cell
What are th e five m ai n part s of an an im al ce ll?
CYTOPLASM stores useful substances
MITOCHONDRION supplies energy Animal cell
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