What is division of labour?
1
It is the breakdown of work
Into simple and small tasks
2
For maximum efficiency
3
Human digestive system
Human digestive system 
mouth:Breaks down food into smaller pieces
1
Gullet:transport food from the mouth to the stomach
2
Stomach:Break down food in simpler substance with digestive juice
3
Small intestine: Absorb nutrients into the blood for use by the body
4
Large intestine:remove water from waste material and transport to the anus
5
Plant transport system
roots
Stem
xylem tube
Phloem tube
Water carrying tube transport water to all parts of the plant
Food carrying tubes that transport nutrients,sugar and proteins to other parts of the plant