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The Immune Response

WEBThe adaptive immune response involves two main types of specialized white blood cells called lymphocytes - B cells and T cells. B cells are found in the blood. Their …

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URL: https://letstalkscience.ca/educational-resources/stem-explained/immune-response

Why Do So Many People Get Cancer

WEBTo some extent, this is true. For example, smoking can cause cancer. So can air pollution caused by human activities, like driving and industrial processes. But the …

Category: Cancer Go Health

The Science Behind Calories and Nutrition Facts Labels

WEBThese main nutrients are fats ( lipids ), proteins and carbohydrates. Some calories you consume every day should come from each of the three nutrients. About 50 …

Category: Health Go Health

Osmosis and Its Role in Human Biology and Health

WEBKeeping the body's conditions stable makes it possible for living things to survive. Osmosis plays an important role in the human body, especially in the gastro …

Category: Health Go Health

Spaceflight and Bone Loss

WEBIt is also the key to why astronauts experience bone loss in space. In space, astronauts experience spaceflight osteopenia. This condition can cause astronauts to …

Category: Health Go Health

What is Sound and How do we Hear it

WEBAfter all, what goes on inside your ears is what allows you to hear. For example, when a person talks, the movement of their mouth creates waves of moving …

Category: Health Go Health

Radiation Effects on the Body

WEBHigh doses of radiation over short periods of time produce acute (severe), short-term effects. High doses of radiation tend to kill cells. This damages tissues and …

Category: Health Go Health

Introduction to Homeostasis and Regulation

WEBTED-ED (2014) by Emma Bryce (3:24 min.). This introduction to homeostasis and regulation in the human body is really only a small glimpse into the …

Category: Health Go Health

The Surprising Reason You Feel Awful When You're Sick

WEBThat’s because the macrophages fighting the infection in your body send out cytokines. These cytokines can affect the parts of your brain that deal with emotions and …

Category: Health Go Health

Does Living Near High-Voltage Power Lines Cause Cancer

WEBIt can also be represented as kg⋅s −2 ⋅A −1. Scientists normally report data in millionths of a tesla, or microteslas (µT). Some people living near high-voltage power …

Category: Health Go Health

Using Plants to Make Medicines

WEBIn the country we now call Canada, Indigenous Peoples have used plants, trees and other natural materials as medicines to treat scurvy and other illnesses. Evidence of …

Category: Medicine Go Health

How does rain become acidic

WEBPut the shredded cabbage in a pot and fill it with enough water so that the cabbage is completely submerged. Bring cabbage and water to a boil and keep it boiling for 30 …

Category: Health Go Health

Radiography & X-ray Imaging

WEBRadiography. Radiography is the creation of images using x-ray energy. Images created using this technique are called radiographic images (or radiographs ). X …

Category: Health Go Health

What are the Pros and Cons of Nuclear Energy

WEB3 Reasons Why Nuclear Energy Is Terrible! (2015) by Kurzgesagt – In a Nutshell (4:09 min.). 1. Nuclear Weapons . In 1945, the bombings of Hiroshima and …

Category: Health Go Health

Polystyrene: The Pros, the Cons, the Chemistry

WEBPolystyrene is a plastic. As its name suggests, it is made up of many ("poly") styrenes. Styrene is a small organic compound with the chemical formula C 6 H 5 …

Category: Health Go Health

Indicators of Climate Change

WEBA smartphone's battery display indicates how much charge your phone has left. Temperature data is one indicator of climate change. Scientists collect temperature data …

Category: Health Go Health

How Snake Venom Kills… and Saves Lives

WEBTo deliver venom, snakes have hollow fangs that act like hypodermic needles. When a snake bites, muscles in its head squeeze the venom glands. This …

Category: Health Go Health