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 ...

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 ...

The spinal cord is a long bundle of nerves and cells that extends from the lower portion of the brain to the lower back. Spinal cord functions include carrying signals between the brain and the rest ...

The superficial peroneal nerve branches off from the sciatic nerve, or the common peroneal nerve, which ultimately winds around the head of the fibula, or shinbone, near the knee. The superficial ...