Medical

A neuron is a special cell in the body that makes up the brain, spinal cord, and nerves.

Neurons communicate using tiny electrical and chemical messages. When you feel something, think, move, or remember, neurons help carry those signals to the right place.

Your nostrils are the two holes in your nose that you use to breathe through and smell through.

Ophidiophobia or ophiophobia is a fear of snakes. Many people are scared of snakes because snakes are actually quite dangerous and should be treated with caution, but they do not have a phobia of snakes. People who are ophidiophobic are irrationally afraid of snakes, even just in pictures or on television where there is no real threat.

The ovary is an organ in the female reproductive system. Ovaries make eggs, which are needed for pregnancy. They also make hormones such as estrogen and progesterone.

Your palm is the inner part of your hand between your wrist and your fingers.

Patella is the formal name for the kneecap, a small round bone in the front of your knee. It helps protect the knee joint.

A paw is a kind of animal's foot. Generally animals like cats, dogs and ferrets that eat other animals have paws. Animals that get eaten usually have hooves not paws.
The paw in the picture belongs to a lion.

Your pelvis is the bony cradle that is between your legs and your spine.

The pelvis is the base support for your spine and upper body. It also protects organs like the bladder and helps you stand, walk, and move. You can feel it by pressing your hands on your hips.

Philtrum is the small groove in the middle of a person's face between the nose and the upper lip.

The picture is a baby's philtrum.

Pills, also called tablets, are small, usually hard lumps of medicine that are meant to be swallowed.