Unit D: Human Systems

Learn about organ transplantation - what it is, how it can save lives, how your immune system responds, and how the matching process works.

Learn how and where osmosis takes place in the digestive system and excretory system and the role of osmosis in kidney dialysis.

An inflammatory response is your body’s attempt to fight invaders. Learn how your body springs into action when attacked!

Find out how scientists figure out the information on food nutrition labels and why that information can help to keep you healthy.

Consuming sugary foods and drinks activates your brain’s reward system - the same system that can cause addiction.

Has your fresh juicy apple turned an unsightly brown? Learn about the redox reaction behind the transformation.

Celiac disease is an autoimmune disorder. Gluten triggers an immune system response, seriously affecting nutrition.

Why does drinking too much alcohol make people feel so bad? Read about four theories.

Ever wonder how fish survive in the cold waters of the Arctic and Antarctic? It’s partly because of a brilliant evolutionary adaptation.

What chemistry determines how oil and water behave when mixed? Explore the mixing of oil and water and the density of liquids in this activity.

Make a model of blood and learn about the function of each of the parts that makes up blood.

Learn about the properties of materials and the challenges of cleaning up an oil spill in this activity.

Spending time outside has important physical and psychological benefits. It can even help you learn better!

When you cut your finger, your immune system kicks in to protect you from pathogens.