systems

1. cells

1.1. cytoplasm

1.1.1. allows substances to move around in the cell

1.2. nucleus

1.2.1. controls everything in the cell

1.3. cell membrane

1.3.1. a stiff layer around the cell membrane

1.4. cell wall

1.4.1. it give the cell its shape

1.5. chloroplasts

1.5.1. contain chlorophyll

2. plant transport system

2.1. xylem tube

2.1.1. from roots

2.2. phloem tube

2.2.1. from leaves

3. electricity

3.1. the parts of a bulb

3.1.1. glass bulb

3.1.2. filament

3.1.3. wire

3.1.4. metal casing

3.1.5. metal tip

4. body systems

4.1. skeletal system

4.1.1. skeleton

4.1.2. bones

4.2. muscular system

4.2.1. muscleus

4.3. digestive system

4.3.1. mouth

4.3.2. gullet

4.3.3. stomach

4.3.4. small intestine

4.3.5. large intestine

4.4. respiratory system

4.4.1. lungs

4.4.2. windpipe

4.4.3. nose

4.5. circulatory system

4.5.1. heart

4.5.2. blood vessels

4.5.3. blood