Monday, March 05, 2007

Animal Cell


An animal cell is a form of eukaryotic cell which make up many tissues in animals. The animal cell is distinct from other eukaryotes, most notably plant cells, as they lack cell walls and chloroplasts, and they have smaller vacuoles. Due to the lack of a rigid cell wall, animal cells appear to be circular (though are often deformed by surrounding cells) under microscopes - in three dimensions the cells are normally spherical. Human cells are biologically categorized as animal cells.
Cytoplasm
All cells consist of a jelly-like substance called Cytoplasm.The cytoplasm allows substances such as food and oxygen to move around within the cell take place in a cytoplasm .

Cell membrane
Surrounding the cytoplasm is a soft and thin cell membrane.The cell membrane holds the cytoplasm inside it. It also controls substances that go in or out of the cell.

Nucleus
In both plant and animal cells, there is a nucleus found in the cytoplasm. The nucleus is a very important part of a cell. It controls everything that happens inside the cell.

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