Anatomy and Physiology – Page 3 – Learning Biology with Dr. Vanessa, LLC

How does Gas Exchange Occur in the Lungs?

In previous blogs, you have learned how our respiratory system works and how we breathe. Our lungs have a vital role in breathing in and breathing out. This time, we are going to take a look at how gas exchange occurs within the lungs. Gas Exchange is the process by which oxygen and carbon dioxideContinue reading “How does Gas Exchange Occur in the Lungs?”

How do we breathe?

Breathing is natural phenomenon. We don’t think about it, but it happens. If it didn’t, we wouldn’t be here. In order to breath, we take a breath in by inhalation and we breathe out by exhalation. Our respiratory system plays a vital role in our body. Inhalation – is the movement of the air fromContinue reading “How do we breathe?”

What is the Function of the Respiratory System?

To keep us alive and kicking, we breathe every second, minute, hour with the help of our Respiratory System. Have you ever wondered how this works? I’ll explain thoroughly the functions of the Respiratory System. At the end of this, I’ll share some tips on how to take care of our respiratory system to makeContinue reading “What is the Function of the Respiratory System?”

Antigens and Antibodies

Basic explanation of antigens and antibodies and how they interact. More in-depth discussions on this topic will happen at a later time. What is an antigen (Ag)? Substance (molecule) that the body recognizes as foreign Substance capable of provoking an immune response Substance that stimulates the immune system to make antibodies Example: Virus, bacteria Recap: Continue reading “Antigens and Antibodies”

Homeostasis

There are several words that you have probably seen that are used to describe homeostasis: Equilibrium Stability Balance Steady state Basically, living organisms need to be able to maintain balance within their internal environment, especially compared to the outside environment. Imagine going outside on an incredibly hot or cold day and your internal temperature wereContinue reading “Homeostasis”