Write E if it explains about something/ someone and C if it classifies something/ someone. Write your answer on your answer sheet.
1. It shows how things work and why things happen.
2. It is a method of putting things in one group.
3. The nervous system works through a complex network of neurons. These are the basic functioning cells of the nervous system and conduct electrical impulses between the central and peripheral nervous system.
4. Blood vessels consists of three types; arteries, veins and capillaries.
5. Water is very essential to all human beings. We need water in order to survive.