Class 9 videos, powerpoint

1.  Dialysis

2. https://drive.google.com/file/d/1jKgKIbKYJ4pVNJZ0b7ovWxVfB0og9qr4/view?usp=drivesdk

3.https://docs.google.com/presentation/d/1jW03hcb0Xzul7u_5GZ2PMAsno2995evJ/edit?usp=drivesdk&ouid=102922595326461563945&rtpof=true&sd=true

4.https://drive.google.com/file/d/1jLGaPp4GrfQu_aC7VFtb22fVlFwf0kp6/view?usp=drivesdk

5. https://docs.google.com/presentation/d/1jWHdxJLcKiLxMVIu-c-20jz8cI7oBha3/edit?usp=drivesdk&ouid=102922595326461563945&rtpof=true&sd=true

6.https://drive.google.com/file/d/1j_O_iWF0Gks0b5veUHtz5hffRa2zRSf5/view?usp=drivesdk

7. https://drive.google.com/file/d/1j_O_iWF0Gks0b5veUHtz5hffRa2zRSf5/view?usp=drivesdk