What are the two main organ systems of a plant?
Each plant has two main organ systems. They are;
Root system
Shoot system
What is an organ system? (a) Give two examples of organ systems in animals. (b) Name the two main organ systems in plants.
(a) What is the function of our nervous system?
(b) What are the main organs of the human nervous system? Draw a labelled diagram to show the main organs of the human nervous system.
(c) How does the human nervous system work? Explain.