43 Unbelievable Photos That Showcase The Mind-Blowing Wonders Of The Human Body

1.Here's what a tattoo looks like under a macro lens.

Close-up of textured skin with several strands of hair crossing over. The skin has a rough, patterned surface resembling the hide of an animal
u/AlphaGateIs2ndGate / Via reddit.com

2.Did you know that scabs that form over tattoos will actually contain the pigment and pattern?

A hand holds a piece of artwork resembling a detailed eye on a small, irregularly shaped material. The background is out of focus, showing ceiling lights
u/heyrebel / Via reddit.com

3.Even on old tattoos, if you get a bad burn, the scab will have the pigment on it.

A close-up shows a tattoo of a circuit board on an arm with a small implanted chip and a hand holding a similar chip in front of a computer keyboard
u/GoGoGengar / Via reddit.com

4.Did you know babies' skulls aren't fully fused when born? You can literally see this infant's brain pulsing.

Close-up of a baby with thin hair, wearing a green top. The baby is looking downward with eyes nearly closed
u/Vi0letBlues / Via reddit.com

5.Here's the white hair of someone with vitiligo under a microscope — it's not actually white! It contains no pigment, so it appears almost clear under a microscope.

Close-up of a tangle of elongated, thin, white plastic fibers
u/K33g5elig / Via reddit.com

6.Here's what a transparent, temporary skin graft looks like — and honestly, it's kind of badass.

A person's arm resting on a surface shows a large rectangular skin graft and stitches extending down the forearm
u/Doom_Riff_Heretic / Via reddit.com

7.Did you know that hair can sometimes grow in pairs out of the same follicle? Here's a shaved head under a microscope.

Close-up of human skin showing hair follicles with some short and long hairs
u/6millionwaystolive / Via reddit.com

8.Here's what brain fluid looks like. I wasn't expecting it to look so much like water?

A hand with black-painted nails holds a small clear vial filled with liquid against a blurred background with decorative elements
u/FriendlyBabyFrog / Via reddit.com

9.Here's what having macrodactyly looks like, where fingers or toes can be overlarge.

A close-up of someone's injured finger shown in two frames, one with a hand pointing at the injury and another with the injured finger extended. No people identified
u/dillis / Via reddit.com

10.And here's what it looks like to have symphalangism (or fused joints in your hands or feet).

A close-up of a hand showing curved fingers resting on a patterned fabric background
u/Adventurous_Cook_116 / Via reddit.com

11.TIL Medication can actually change your hair color.

A hand holding a black card with a blue arrow pointing at a thin hair sticking out from above the card
u/shuacore / Via reddit.com

12.Here's another example.

Close-up of a cracked green plastic lid with "CAUTION CONTENTS HOT" embossed on it. A hand with black nail polish holds the lid
u/QueenChoco / Via reddit.com

13.Guess what else can change your hair color? If you guessed giving birth, you were right.

A person at a hair salon with partially straightened hair showing the progress of a hair treatment, equipment visible in the background
u/allenthird / Via reddit.com

14.Radiation and chemo can actually change your hair color, too.

Close-up view of a person with partial hair loss on the back of their head, showing some regrowth. No other pertinent details or people
u/ppetulili / Via reddit.com

15.Did you know that chemo can also affect your nails?

A close-up of a hand with damaged nails in front of a keyboard. The nails appear cracked and brittle
u/stalesun / Via reddit.com

16.Pregnancy can also affect nail growth, along with hair growth and thickness.

Close-up of a large toenail with a visible white nail bed
u/Godjilla25 / Via reddit.com

17.Ever wondered what blood clots actually look like? Wonder no more!

Two pieces of tissue on blue cloth alongside a ruler for scale on a medical table. Text on the right side reads "MEDS."
u/hummmer2199 / Via reddit.com

18.These even bigger clots are from someone's HEART.

  u/artsandcrass / Via reddit.com
u/artsandcrass / Via reddit.com

19.Did you know that scar tissue doesn't sweat?

Two close-up photos of a person's arm showing the difference in perspiration pattern on clothing material in a gym setting and at home
u/Thetacticaltacos / Via reddit.com

20.Because scars don't sweat, dirt won't stick on them.

A person's lower leg with a distinct tan line above their sock. A discarded bottle of water and other items are in the background
u/Jhaawk / Via reddit.com

21.Neither will sand!

A person's bare leg with a noticeable scar on the knee, lying on sandy beach
u/Kazeho / Via reddit.com

22.Chalk also won't adhere to it.

An arm with a reddish scar that extends along the forearm, surrounded by green paint. The background is a room with scattered shoes and boxes
u/Iamaplacebo / Via reddit.com

23.Poison Ivy also, apparently, won't affect scars.

Close-up of a person’s forearm with a healing skin condition, showing redness and dry patches. Background includes indistinct office items and a photo
u/Chad_Hansen / Via reddit.com

24.Neither will bruises!

Close-up of an unidentified person's skin showing a bruised area with a small, white, scar-like mark. A hand is lightly touching the bruised skin
u/ghostofabanana / Via reddit.com

25.Sorry in advance for the grossness, but I bet you've never seen a blister this big.

A swollen human hand with large blisters, possibly due to burns or another injury, lies on a textured surface
u/SaggyTitsSusan / Via reddit.com

26.Or a blister that looks like THIS (sorry).

Bruised and swollen finger with a heavily damaged and discolored fingernail, possibly injured. Background shows a lightly blurred indoor setting
u/Wanderer-777 / Via reddit.com

27.You probably know from experience that hair color can change as you age, but I don't think you normally see it get this much lighter this fast.

Close-up of wet hair being held by a person's hand during a hair treatment
u/Sambehrs / Via reddit.com

28.If you're doubting the sun's ability to lighten your hair, just look at this person's arm!

Close-up of a person's forearm showing a prominent tan line from wearing a watch. The skin under the tan line is significantly lighter
u/jamaicanhopscotch / Via reddit.com

29.You've probably heard of vitiligo, but have you heard of Nevus depigmentosus, which is essentially a birthmark in which the skin lacks pigment and won't tan?

A person with a sunburn on their upper arm shows a distinct patch of unburned skin in a curvy shape
u/xJacon / Via reddit.com

30.This can, unfortunately, happen to your toenail. (Look, some of the stuff in this post is cool, and some of it is just disgusting.)

Close-up of a human toe with an ingrown toenail causing significant swelling and discomfort. No other objects or people are present in the image
u/DavidAssBednar / Via reddit.com

31.Here's what blood looks like when all the red blood cells are removed.

Close-up of a medical IV fluid bag containing a yellowish liquid, with red particles settled at the bottom, connected to tubing
[deleted] / Via reddit.com

32.And here's what blood looks like with the plasma separated out.

A person holds up a large bag of yellow liquid in a medical setting, possibly plasma, near a window. No other people are visible
Pespy / Via reddit.com

33.Here's what a bruise looks like as it heals — it's basically the definition of "it gets worse before it gets better."

A person documents the progression of a bruise on their upper arm in a grid of nine photos taken over time
u/ninjilla / Via reddit.com

34.Here's what it looks like to have iridodonesis, where your iris sort of tremors when you move your eye.

A close-up of a human eye fully opening, revealing a brown iris
u/aloofloofah / Via reddit.com

35.This is what it looks like when your baby is kicking, and I am now reconsidering my desire to have children.

A moving ultrasound scan of a fetus in a womb
u/Unusual-Map- / Via reddit.com

36.It just occurred to me that I have never seen an umbilical cord, and now I'm even MORE afraid of giving birth.

Hands in gloves holding a knotted umbilical cord during birth. The baby is partially visible, covered with a cloth
u/abacusartifact / Via reddit.com

37.I'd also never seen a placenta. And now, for better or worse, we both have.

Person in medical clothing and gloves holds a placenta over a plastic container in a clinical setting
u/Serenajf / Via reddit.com

38.I think this might be the first photo I've seen of someone directly after giving birth, and I always wondered what it would look like.

A person with a hospital wristband is lifting their shirt, exposing their midsection, and lower pants to reveal their stomach
[deleted] / Via reddit.com

39.I'm going to bet this is the largest vein you've ever seen — it's called an arteriovenous fistula, where blood goes directly from an artery into a vein, surpassing capillaries that would make the vein appear much smaller.

A close-up image of a person's inner forearm with a visible vein. The person has their arm slightly bent. The background is plain. No other details are visible
u/plaidjammies / Via reddit.com

40.Unfortunately, it's possible to have wisdom teeth with hooked roots, which creates a fun challenge for your dental surgeon!

Two extracted teeth with visible roots, placed on white gauze pads
u/CoronaBud / Via reddit.com

41.I'm just including this one because it looks gnarly — here's what a cervical fusion surgery scar looks like two weeks post-op.

A person with short hair shows a vertical surgical scar with stitches on the back of their neck, wearing a blue T-shirt
u/bigfishflyhigh / Via reddit.com

42.I also need to show a photo of brain surgery scars because they also look pretty metal.

A person with a buzzed haircut takes a mirror selfie, revealing surgical scars on their head. Their face is partially obscured by the phone they are holding
u/JuiceBox1 / Via reddit.com

43.And finally, we'll end on this sick scar from carotid artery surgery. I would 100% be telling people a shark tried to bite my head off.

A man with a beard shows a prominent scar running down his neck to his chest
u/stuckeezy / Via reddit.com

H/T: r/MildlyInteresting, r/WTF, r/OddlyTerrifying, r/MEDizzy, r/interestingasfuck