Biology is the science that deals with the study of life or living things (Plants and Animals). Also biology may be considered to be the study of FORM and FUNCTION of living things and their interrelationship with the environment. The study of plants is known as BOTANY, and the study of animals is known as ZOOLOGY.

Content:
1. Introduction
2. Cell as a living unit
3. Classification of living things
4. Life processes of some organisms
5. Living and non-living things
6. Energy
7. Ecology
8. The cell and its environment
9. The circulatory system
10. Mammalian heart
11. The respiratory system
12. Excretion
13. Properties and functions of the living cell
14. The muscular system and somatotype
15. The nervous system.
16. The skeletal system.
17. Transport in plants