CBSE Class 9
Free courses
Science
Organization in Living World
Lesson 2 of 5 • 4 upvotes • 12:04mins
This lesson includes the second part of the chapter which goes into the details of the chapter- why do we fall ill?
5 lessons • 53m
Introduction
12:46mins
Diseases and its Causes
12:04mins
Infectious Agents
8:38mins
Principles of Treatment
9:12mins
Summary
10:58mins