I want to help you achieve the grades you (and I) know you are capable of; these grades are the stepping stone to your future. Even if you don't want to study science or maths further, the grades you get now will open doors in the future.

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ALevel Maths Courses, FREE revision guide and workbooks https://www.primrosekitten.com/pages/...
ALevel Psychology Courses, FREE revision guide and workbooks https://www.primrosekitten.com/pages/...
ALevel Biology Courses, FREE revision guide and workbooks https://www.primrosekitten.com/pages/...
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00:00 Start
00:42 Surface area to volume ratio and size
03:36 Gas exchange in dicotyledonous plants
04:23 Gas exchange in xerophytic plants
05:12 Gas exchange in singlecelled organisms
05:41 Gas exchange in insects
06:45 Gas exchange in fish gills
07:45 Gas exchange in Humans
08:55 Mechanics of breathing
10:06 The alveolar epithelium
11:40 Lung disease
12:40 Digestion in mammals
16:51 Absorption of the products of digestion
18:06 Circulation of blood
19:47 Required practical 5 Dissection of animal or plant respiratory system or mass transport system
21:44 Haemoglobin in humans
25:26 Haemoglobin in other animals
27:06 Cardiac cycle
29:14 Blood vessels
30:32 Cardiovascular disease
31:39 Xylem
33:05 Phloem


ALevel Maths Playlist    • ALevel Maths | Revision Playlist  

ALevel Psychology Playlist
AQA    • AQA ALevel Psychology | Revision Pla...  
Edexcel    • Edexcel ALevel Psychology Playlist  
OCR    • OCR ALevel Psychology Playlist  

ALevel Biology playlists
AQA    • AQA ALevel Biology | Ultimate Revisi...  
Oxford Revise for AQA https://geni.us/eXCB
Edexcel    • Edexcel ALevel Biology | Revision Pl...  
OCR A    • Playlist  
Oxford Revise for OCR https://geni.us/U3tBhgc
OCR B    • OCR B ALevel Biology | Revision Play...  
WJEC    • WJEC ALevel Biology | Revision Playlist  
Edquas    • Edquas ALevel Biology | Revision Pla...  
Cambridge International    • Cambridge International ALevel Biolo...  

To help you get even better grades I’ve written a lot of ebooks, packed full of loads of excellent questions to help you study. Because the best thing you can do is practice. Visit my website for ebooks, flashcards and extension questions https://www.primrosekitten.com For exclusive revision, videos and workshops, join the channel    / @primrose_kitten  

Some of the links in here are affiliate links, where is get a small percentage of any money spent, if you like my channel and want to support my work, clicking these is an easy way to do it.

The 'whole of the topic in … minutes' videos DO NOT comprehensively cover everything you need to know for your exams. It would be impossible to include 2 years of teaching in 1 hour. These should NOT be your only source of revision    • Do the 'whole topic in xxx minute' vi...   My exam predictions are just GUESSES!! I don't have any insider knowledge just years of looking at exam papers.

Disclaimer; You should not carry out any of these practical’s without carrying out a full risk assessment of your own first.

I am human, and I make mistakes, please point out any that you find and there is no need to follow that with a load of abuse.

Image made with https://chemix.org/

PhET Interactive Simulations
University of Colorado Boulder
https://phet.colorado.edu

Music; Something Elated by Broke For Free. From the Free Music Archive, CC BY

Images from; Classroom Core (TpT), Hidesy Clipart (TpT), The Cher Room (TpT), The Triple Point (TpT), Ninja Woman (TpT), The Painted Crew (TpT) Teacher's Clipart (TpT) Shutterstock