unit of life

1. cell part

1.1. animal cell

1.1.1. nucleus

1.1.1.1. controls all activity in the cell

1.1.2. cytoplasm

1.1.2.1. allows certain substances to enter the cell

1.1.3. cell membrane

1.1.3.1. protect the cell

1.2. plant cell

1.2.1. nucleus

1.2.1.1. controls all activity in the cell

1.2.2. cell wall

1.2.2.1. protect the cell membrane

1.2.3. cytoplasm

1.2.3.1. allows certain substances to enter the cell

1.2.4. chlorophyll

1.2.4.1. make food for the hole plant

1.2.5. cell membrane

1.2.5.1. protect the cell

2. cell division

2.1. cell division replace damaged cells

3. white blood cell

3.1. protects against foreign bodies

4. red blood cell

4.1. transport oxygen and nutrients