Explaining the Excretion System in detail with the pictures so that the student can understand very easily.
By: Ashok Kumar
- Created By
- School
- Address
- Class
- D. Indu Ashwini, U. Vijaya Lakshmi
- Vallal Sabapathy Matric.Hr.Sec.School
- Chennai, Tamil Nadu
- vallalsabapathy_sol@yahoo.com
- 10th