@sarahvo9569

thank you so much!!! much needed for my finals at college

@Duel53

You deserve wayyyyy more subscribers.

@anahitpetrosyan5833

Thank you so much. Very helpful, clear explanations.

@nazretsebhatu5301

Thanks so much l learn alot of from this lesson

@beatricedouglas7081

thank you!

@akashchoudhary9675

Can you tell me about human body  can three heads are possible in human body due to genetic disordrr

@luzsennysantos233

thanks a lot

@nonstop2901

Thanks

@acostanilsa7471

THANKS.

@ppbrothersgame4632

Thanks a lot to help me in this I am studying in std 9th ssc

@sarahvo9569

only if i saw your videos before hand :(((

@Muhammad-bv4uu

This amount of masterful stutter is giving me seizures and i m pretty sure its not genetic .

@paramasivamsivam2475

Disorders

@rahulmohanta8392

Thanks

@paramasivamsivam2475

Disorders

@parsakondori

Disorders

@parsakondori

Disorders