Spotlight On: Homeostasis

The word homeostasis comes from the Latin roots homeo, meaning similar, and stasis, meaning condition. Homeostasis is the ability of the body to keep everything in balance. It’s important for the body to always monitor what is going on, correcting functions that are out of balance and bringing them back to normal. Homeostasis and regulation … Continue reading Spotlight On: Homeostasis

Spotlight On: The Reproductive System

There are many organ systems within our body that ensure we stay alive. Arguably, however, one of the most important systems for guaranteeing our survival for generations is the reproductive system, as it allows us to produce children. To be able to have children, we first go through puberty—changes in the body that are the … Continue reading Spotlight On: The Reproductive System

Spotlight On: The Heart and Circulatory System

If you’ve ever heard a heartbeat through a stethoscope, you may have heard a “lub-dub, lub-dub” sound as the blood circulates throughout your body. You might wonder how your heart actually works, what that sound means and why we need our blood to circulate. Your Blood Gets Around Proper blood circulation is critical to the … Continue reading Spotlight On: The Heart and Circulatory System

Spotlight On: The Digestive System

Most of us don’t think much about our digestive system unless it’s causing problems. An upset stomach, vomiting or even just a growling hungry tummy can draw our attention to this part of our body and make us wonder why it isn’t working quite the way it should. The digestive system is our body’s workhorse—it … Continue reading Spotlight On: The Digestive System

Spotlight On: DNA and RNA

At some point in your life, someone may have told you “You have your mom’s eyes” or “You have good genes.” Well, it all has to do with your DNA. Deoxyribonucleic acid (DNA) is made up of two long strands of genetic codes that are connected by four molecules. These molecules—two on each side—form the … Continue reading Spotlight On: DNA and RNA

Spotlight On: The Immune System

“Alert! Alert! Foreign invader detected! Recruit additional support! Destroy the target!” This could be the radio chatter of a battle scene in the latest blockbuster action film, or it could also be what our immune system would sound like if it could talk. As our body’s form of defense, the immune system helps protect us … Continue reading Spotlight On: The Immune System

Spotlight On: The Nervous System

Of all the organs in our bodies, the brain is the most complex and deeply tied to what makes us human. Billions of nerve cells (neurons) in the nervous system make trillions of connections that are the basis of our thoughts, feelings and actions. Our genes make sure our nervous system is generally organized in … Continue reading Spotlight On: The Nervous System

Spotlight On: Oxidative Stress

Oxidative stress is a term that many of us have heard or seen on food and vitamin labels for quite some time, but few people understand what this is. Oxidative stress is the imbalance of reactive oxygen species (ROS), which is a byproduct of metabolism that is made up of different compounds, including forms of … Continue reading Spotlight On: Oxidative Stress

Spotlight On: The Skeletal System

If you’ve ever seen a house being built, you’ll recognize the wooden framework as the beginning of the structure. Just as this framework provides the structure for the insulation, walls and roof of a house, our bones are also a strong framework. Bones provide a firm support system that protects our internal organs and give … Continue reading Spotlight On: The Skeletal System

Spotlight On: Your Kidneys

Most people don’t think about the function of their kidneys daily, but these essential organs are very important. The main job of the kidneys is to regulate the transport of water, salt, blood and nutrients in the body, while removing waste—through urine—that is no longer needed. Each day, these two bean-shaped, fist-sized organs filter about … Continue reading Spotlight On: Your Kidneys