Cell Organisation

The process in which cells become specialalist for a particular job is called differentiation. This occurs during the dovelopment of a multicellular organism. The specialist cells form tissues, which form organs, which form organ systems.

Similar cells are organised into tissues

Tissue- a group of similar cells that work together to carry out a particular function. Mammals habe tissues such as:

• Muscular tissue contracts to move whatever it is attached to
• Glandular tissue makes and secretes chemicals like enzymes and hormones
• Epithelial…