Video: Why do we leave fingerprints when touching everything?

After watching it, you will see that the human body is really amazing.

On the tiny veins at the fingertips of each person there are thousands of small invisible invisible sweat glands.

Every time we touch something, we leave behind fingerprints, which is the reason why the screen of smartphones and tablets is always full of bruises and itchy eyes, but have you ever thought about why? so? That's because on the tiny veins at the fingertips of each person there are thousands of tiny invisible invisible sweat glands. These sweat glands will cause fingerprints to print on every surface.

Normally, it is very difficult to see the tiny beads of sweat forming on the fingerprint line, but thanks to the timelapse video of YouTube channel Timelapse Vision Inc, you will see this breathtaking close-up process.

By attaching the macro lens to the camera, the YouTube channel recorded a rare image when sweat glands excreted through the epidermis on our skin. After watching, perhaps you also less wonder why touch the phone screen is leaving fingerprints. The next time someone asks, please tell them the answer.