Cells and the microscope.

The main parts in plant and animal cells are:
-The cell membrane which controls what passes in or out of the cell.
-The nucleus which controls the cell.
-Cytoplasm which carries out many cell reactions.

Plant cell have three features not present in animal cell:
-A cell wall for strength.
-A large vacuole for storage.
-Chloroplasts for photosynthesis.

Organisms are organised into:
Cells- Tissues- Organs- Systems- Organisms.

A microscope is used to view small objects in detail.
The parts of a microscope:
-Eyepiece
-Focus knobs
-Nose piece
-Objective
-Stage
-Diaphragm
-Mirror.