Cell specialisation
- Cell specialisation means division of labour among cells. Each type of cell specialises in a specific function.
- Importance of Cell Specialisation
- Cells can perform specific task with greater efficiency.
- Enable multicellular organisms adapt to various environment.
Cell Specialisation in Animal
| Cell | Function |
| Red blood cells | Transport oxygen |
| White blood cells | Destroy microorganisms. Engulf foreign substance in the blood stream. |
| Smooth muscle cells | Contract and release to produce movement |
| Nerve cells | Transmits nerve impulse |
Cell Specialisation in Plant
| Cell | Function |
| Palisade Mesophyll Cells | Carries out photosynthesis |
| Guard Cells | Control the size of the stomata pore to allow gaseous exchange. |
| Xilem | Transport water and mineral salt |
| Phloem | Transport disolved food. |
Cell Organisation in Multicellular Organism
Cytology (Cell Biology)
Cytology is an academic discipline that studies cells. It’s also known as Cell Biology.
Histology
histology is the study of the microscopic anatomy of cells and tissues of plants and animals.
