Evolution

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

In episode 38, we learn about the theory of evolution.  Did humans really come from apes? Does Olivia believe in evolution?  Listen to this episode and let us know if you are a believer.

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Teach Me Biology is hosted by Ria Corbett and Sarah Matthews. Ria Corbett is a science teacher with a biology specialism. Sarah, is her younger sister and learning A-Level biology. Ria will be teaching her topic by topic to provide you the listener with an audio revision resource ...  Show more

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 ...  Show more

🗒️ About this episode: Study Legal English is now a TOLES registered centre and is running the following TOLES preparation courses: