Who invented the microscope is a matter of debate, but what is not a matter of debate is the fact that it opened us up to a world hitherto unknown and yet so vibrant that it may leave most people awestruck.

We collected 8 images of various organs, processes, and enzymes belonging to the human body that were captured under a microscope.

8. Bone

What Our Organs Look Like Under a Microscope
© David Gregory & Debbie Marshall / wellcome collection

7. Small intestine

6. Heart (coronary artery)

5. Skin

4. Healthy lungs

3. Blood

What Our Organs Look Like Under a Microscope
© NASA

2. Tooth

1. Nail

We didn’t recognize any of them when we first saw them. Did you? Let us know in the comments below.