@BackWaveUnited

Shout out to the immune system for making the recovery possible

@AshleyMason-fw9lt

I like how straight to the point this video was.

@xemmixo

I can't be the only one who physically felt that pain just from watching the animation

@sumithadavid5841

Scrolling:❌
Clicking popular: ✔

@runbutonjapan5567

He is the one, who can explain complicated things in a simple and easy to understand way.

@IDontLikeMyPotato

The animators did a fantastic job, hats off to u my friend

@rojobojo9highlights362

I learn something new from this guy everyday

@Kristina_fhdn

""Remember these old vids guys? Where no bots were Found""🔥🔥🔥

@verynormalyoutubeuser

best teacher ever

@Jack-id4lu

It’s crazy that the human body’s can repair itself so well

@Yalxr

New fear unlocked: Zack’s animation

@KakebMortiboy

The best youtuber ever👍

@sanjayagarwal920

It's a tradition to watch this guy everyday

@nohitter34

The human body is absolutely amazing

@OFFICIALANALEE

The healing ability of human skin is so incredible

@br0_isYT

Back when bro was chill af 😭🙏🏼

@chuuvne

I know a few people who get confused at how some stitches dont get taken out, they just dissappear. Some stitches just desolve into ur skin when the wound is healed im pretty sure

@Vitaliuz

Snitches: "Oh, it seems not that bad."

@woah2cool

Bro explains shit better than every single teacher i've had 😭🙏

@loc_tv

The old Zack was so calm and didn’t terrorize people