Basis of differentiation 

Biology 

Physiology 

Definition 

Is the study of life, living organisms, and their processes

Is a specific branch of biology that focuses on the functions and processing of living systems 

Scope 

Is a broad field covering various aspects of living organisms

Is a specific field dealing with bodily functions and processes  

Focus

Explores life in all its forms and interactions

Analyzes how organisms and their systems work

Sub-disciplines

• Zoology
• Botany
• Genetics 
• Ecology

• Cellular physiology
• Neurophysiology
• Systems physiology