Human Defence Systems - 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 ... 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 this episode, we will discuss plant hormone uses and light investigation.Plant hormones are valuable tools in agriculture and horticulture, manipulating plant growth for various purposes. Auxins find use as herbicides and rooting agents, whilst ethene regulates fruit ripening. ... Show More

Don’t panic - it’s organic! In this additive-free episode, Jono covers EVERYTHING you need to about organic chemistry for your GCSE chemistry exam. Not to be CRUDE, but this episode is CRACKING. Saturate your brain with knowledge as Jono covers alkanes, alkenes, fractional distil ... Show More

Richard looks at different bond types for your GCSE Chemistry exam. In this episode, he will look at the different types of chemical bonds that exist. Suitable for AQA, OCR, Edexcel, CIE and WJEC exam boards. Ideal for preparing your GCSE Chemistry exam. Click here for the full c ... Show More

Richard looks at ionic bonds for your GCSE Chemistry exam. In this episode, he will look at what ionic bonds are and their key properties. Suitable for AQA, OCR, Edexcel, CIE and WJEC exam boards. Ideal for preparing your GCSE Chemistry exam. Click here for the full course, or vi ... Show More

Richard looks at ionic compounds for your GCSE Chemistry exam. In this episode, he will look at how ionic compounds are formed and some key properties. Suitable for AQA, OCR, Edexcel, CIE and WJEC exam boards. Ideal for preparing your GCSE Chemistry exam. Click here for the full ... Show More

Richard looks at displacement reactions for your GCSE Chemistry exam. In this episode, he will look at when and why displacement reactions occur. Suitable for AQA, OCR, Edexcel, CIE and WJEC exam boards. Ideal for preparing your GCSE Chemistry exam. Click here for the full course ... Show More

In this episode, we'll be looking at homeostasis and how the body maintains a constant internal environment, as well as why lizards don't ski.For more in-depth online learning, head on over to www.snaprevise.co.uk and see how our intelligent platform can transform your revision a ... Show More

Biology/Biochemistry: In this fourth episode of biology/biochemistry, we talk about the digestive system. Topics like the anatomy, enzymes, hormones, and more. 

Richard looks at the periodic table for your GCSE Chemistry exam. In this episode, he will look at how the periodic table developed and what the key features of the periodic table are. Ideal for preparing your for GCSE Chemistry exam. For more info visit www.senecalearning.com/bl ... Show More

Biology/Biochemistry: In this third episode of biology/biochemistry, we talk about the cell. Topics like the cell theory, organelles, eukaryotes vs. prokaryotes, viruses, and more. 

Go here to join our 3 Keys IELTS Online Course to get a score increase guarantee Whether you are a nurse studying for the IELTS exam or not, today's band 9 sample answers will be extremely useful because you are likely to be asked about health care on the speaking exam. Be ready ... Show More