Inside our body

The image of red blood cells

Here the blood cells are travelling along a vein within the
liver.

This bead-like structure with its projecting legs is a nerve
cell. It sends signals and commands to and from the brain.

This dirty-looking surface is actually a healthy tooth. The cells
in the green layer produce enamel, which protects the tooth.

A cross section of a piece of carpet? This is actually the small
intestine where food is digested.

The surface of the tongue is rough due to these paillae, which
contain the taste buds and send tactile information to the brain.

The cells lining the stomach secrete a layer of mucus to protect
against the acidic gastric juices.

These crystals may look pretty, but the kidney stones they form
can be extremely painful to pass through the urine.

These match-like structures are found in the brain and secrete a
substance that cushions the brain and spinal cord against shock.

Rose petals scattered on a scarlet divan? This is actually the
lining of the rectum.