Diffusion - GCSE Biology (9-1)

A video covering the process of diffusion which is part of Section 2d in the specification for Edexcel IGCSE Biology 9-1 2017.

2.15 Understand the processes of diffusion, osmosis and active transport by which substances move into and out of cells.

2.16 Understand how factors affect the rate of movement of substances into and out of cells, including the effects of surface area to volume ratio, distance, temperature and concentration gradient.

2.17 Practical: investigate diffusion and osmosis using living and non-living systems.

[almaazsalie]

This series is honestly Amazing; it helps soooo much especially since the videos are so short...I'm kinda binge watching them for my mocks in a few weeks and its really great! thank you so much

[ksumar]

Nice work Mr Exham! Thank you for uploading many of these amazing short but concise videos.

[nyathemaoeng]

Damm!, This is really good and it's awfully perfect ♥️

[tumbletot_]

this is amazing and very cool 3 rocks out of 3

[Thechessyguy]

wow, thanks Doc for this amazing data.

[BaraaKholoki]

Very cool video helped me in Biology class

[zahidsufian]

These videos are really good. It explains the subject in a extraordinary short amount of time

[renaruseva]

stop looking through the comments and go back to the video >:(