Respiration

In this episode, we will discuss the alveoli in the circulatory system.Alveoli are microscopic air sacs within the lungs where the crucial exchange of oxygen and carbon dioxide occurs between air and blood through diffusion. Their structure is highly adapted for this vital proces ...  Show more

In this episode, we look at transportation in cells. We will explain how substances move into and out of cells, highlighting three key mechanisms. Diffusion is described as the movement of particles from high to low concentration areas. Osmosis is presented as a specific type of ...  Show more

Biology/Biochemistry: In this fifth episode of biology/biochemistry, we talk about the respiratory system. Topics like the anatomy of the respiratory system, how we regulate breathing, and more. 

This episode reviews the topic of human gas exchange including: The process of breathing, the role of the alveoli in gas exchange and the effects of smoking on the respiratory system. This episode is suitable for all examination boards but more specifically geared to IGCSE Edexce ...  Show more

🚨 If you use English at work, these phrases matter. These are the only English phrases I allow my private students to use at work, and the ones I tell them to stop using. 👉 Download the PDF (€9): https://www.englishlessonviaskype.com/workphrases-podcastIn this episode, you’ll l ...  Show more

Breathing lessons.