Bioenergetics: Respiration 🌱 - GCSE Biology ...

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 ...  عرض المزيد

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 ...  عرض المزيد

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 ...  عرض المزيد

This week, Emma's got the lowdown on facilitated diffusion and polarized membranes for your AP Bio exam. She looks at how molecules diffuse through carrier proteins or channel proteins in membranes. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A ...  عرض المزيد

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. 

Revision doesn't have to be a pain the gas! Jono gets effervescent and concisely reviews the key gas tests you need to know for your GCSE chemistry exam.  In this episode, he will look at the tests for hydrogen, oxygen, and carbon dioxide. Ideal for preparing your for GCS ...