Page 5 - 02 Cells Biology Notes

#15 Cell functions

Multicelullar plants and animals contain
many different types of cell. Each type of
cell is design for a particular function.

Here are examples of cells and their
functions in tissues

1. Ciliated cells in respiratory tract

Features: tiny hairs called cilia which can move mucus.
Function: waft mucus with bacteria and dust away from the lungs.

2. Muscle cells

Features: cells merge together to
form fibres that can contract.
Function: cause movement

3. Red blood cells

Features: have no nucleus, contain hemoglobin
Function: transport oxygen around the body