Unit C: Disease Defence and Human Health

Mitosis is an important part of cell division that helps organisms grow and repair themselves.

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.

It starts with curds and whey! Explore the basic chemistry behind making cheese in this hands on activity.

Learn about two taxonomy systems that scientists use to classify the life around us.

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

Viruses can make you feel awful! This article explains how feeling bad might be your immune system’s way of helping you heal.

Cloning makes it possible to bring extinct species back to life. But is that a good idea?

Learn about the measles virus, its impact and vaccination for prevention of the disease.

Errors during meiosis can alter the number of chromosomes in cells and lead to genetic disorders.

In April 2016, Let’s Talk Science volunteer Daniel Tarade donated stem cells to help a person who needed a stem cell transplant to survive. Learn what stem cells are, how and why people donate, and what Daniel’s experience was like.

Many doctors prescribe antibiotics to cure infections. But should they be prescribing viruses instead?

Explore acid-base chemical reactions that really get things bubbling in the kitchen!

Take a closer look at food packaging. Explore why and how food is packaged in different ways.