A complex system of nerves and muscles enables the human eye to blink, gaze, and shift focus. The trochlear nerve is one of six cranial nerves that carry electrical impulses from the brain to the eye.

Oxygenated blood begins its course down the chest through the thoracic aorta, a major blood vessel with branches that serve the chest muscles and lungs. This becomes the abdominal aorta. The abdominal ...

Note: Some students might have trouble discussing this topic because they may have a family member with Alzheimer's disease. Model a nerve cell. Explain to students that the nervous system functions ...

The obturator nerve is a large, multibranched nerve that travels through your pelvis to your inner thigh. This nerve helps you feel sensations like temperature and pain in your lower limbs. It also ...

The ulnar nerve is a nerve that travels from the wrist to the shoulder. This nerve is mainly responsible for movement of the hand; despite passing through the forearm, it is only responsible for one ...

It is enough to give medical students a nerve-ous breakdown. Yep, I’m talking about nerves—you know, those complex peripheral nerves, nerve roots, and plexuses that will give even the heartiest mind a ...