Hormones: Plant Hormones 🌿 - GCSE Biology Le...

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

Time to bond together? Join Jono as he runs through all the different types of chemical bonds you need to know for your GCSE chemistry. Ideal for preparing your GCSE Chemistry ex ...

In this episode, we delve into the history of the periodic table, exploring the contributions of John Newlands and Dmitri Mendeleev. Discover how the table evolved from organising elements by mass to its modern form based on atomic numbers.

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Richard looks at yield for your GCSE Chemistry exam. In this episode, he will look at what yield is, how to calculate it and why it is never 100%. Ideal for preparing your GCSE Chemistry exam.

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In this episode, we talk about addition polymerisation.Addition polymerisation is a process where numerous short-chain monomers, specifically alkenes, combine to form a single long-chain polymer. This occurs because the carbon-carbon double bonds in the alkene monomers break, ena ...  Show more