Uploaded November 2024 | Updated September 2026, 3 days ago
In this video, we look at the neuromuscular junction. First we explore what is meant by the neuromuscular junction and how these can be used to change the force produced during muscle contraction. We then explore the structure of the neuromuscular junction and the events that trigger muscle contraction to take place.
Image credits:
Neuromuscular junctions
commons.wikimedia.org/wiki/File:%E8%BF%90%E5%8A%A8%E7%BB%88%E6%9D%BF.JPG
Hlj55567516, CC BY-SA 3.0 creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons
In this video, we look at the neuromuscular junction. First we explore what is meant by the neuromuscular junction and how these can be used to change the force produced during muscle contraction. We then explore the structure of the neuromuscular junction and the events that trigger muscle contraction to take place.
Image credits:
Neuromuscular junctions
commons.wikimedia.org/wiki/File:%E8%BF%90%E5%8A%A8%E7%BB%88%E6%9D%BF.JPG
Hlj55567516, CC BY-SA 3.0 creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons





![A Level Biology Revision (Year 13) Excretion and Waste Products
In this video, we look at excretion and waste products. First we look at the definition of excretion. We then look at the waste products carbon dioxide, nitrogenous waste products including urea and bile pigments.
Image credits:
Tiger
https://commons.wikimedia.org/wiki/File:Siberischer_tiger_de.jpg
S. Taheri, CC BY-SA 2.5 https://creativecommons.org/licenses/by-sa/2.5, via Wikimedia Commons
Fish
https://commons.wikimedia.org/wiki/File:Vieja_melanura Karlsruhe_Zoo_01.jpg
H. Zell, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons
Bird
https://commons.wikimedia.org/wiki/File:Female_house_sparrow_at_Kodai.jpg
Deepak Sundar, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons
Insect
https://commons.wikimedia.org/wiki/File:Sympetrum_sanguineum_qtl13.jpg
Quartl, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons
Red blood cells
https://commons.wikimedia.org/wiki/File:Blood-rbcs_and_thrombocytes2.jpg
Echinaceapallida, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons
Liver animation
https://commons.wikimedia.org/wiki/File:Liver_01_animation2.gif
Polygon data is generated by Database Center for Life Science(DBCLS)[2], CC BY-SA 2.1 JP https://creativecommons.org/licenses/by-sa/2.1/jp/deed.en, via Wikimedia Commons A Level Biology Revision (Year 13) Excretion and Waste Products](https://i.ytimg.com/vi/iYtgn7dwGW0/mqdefault.jpg)




