The human brain is complex. Messages within the brain and the rest of the nervous system are conducted by cells called neurons. Drugs and other substances can interfere with or modify the transmission of messages between neurons. In this...

Self-guided learning activity where students learn about the structure and function of the human nervous system. There is a short quiz at the end of the lesson to check for understanding.

In a dystopian world, your resistance group is humanity's last hope. Unfortunately, you've all been captured by the tyrannical rulers and brought to the ancient coliseum for their deadly entertainment. Will you be able to solve the...

An adult human can distinguish up to 10,000 odors. You use your nose to figure out what to eat, what to buy and even when it's time to take a shower. But how do the molecules in the air get translated into smells in your brain? This...

This lesson describes the function and components of the human nervous system. It helps students understand the purpose of our brain, spinal cord, nerves and the five senses. How the nervous system is affected during spaceflight is also...