A Level Biology Revision “Blood Clotting and Inflammation”

In this video, we look at blood clotting and inflammation. First we explore the process that takes place during blood clotting, including the roles of platelets and the clotting factor thromboplastin. We then look at what happens during inflammation, in particular the roles of mast cells, histamine and cytokines.

Image credits:

Human Skin Structure
https://commons.wikimedia.org/wiki/File:Human_skin_structure.jpg
XenonR, CC BY 3.0 https://creativecommons.org/licenses/by-sa/3.0/deed.en

Tear
https://commons.wikimedia.org/wiki/File:Tear.jpg
NessaLand, CC BY 2.0 https://creativecommons.org/licenses/by/2.0, via Wikimedia Commons

Fresh wound
https://commons.wikimedia.org/wiki/File:Hand_Abrasion_-_32_minutes_after_injury.JPG
Jpbarrass, Public domain, via Wikimedia Commons

Scab
https://commons.wikimedia.org/wiki/File:Hand_Abrasion_-_2_days_22_hours_12_minutes_after_injury.JPG
Jpbarrass, Public domain, via Wikimedia Commons

Healed wound
https://commons.wikimedia.org/wiki/File:Hand_Abrasion_-_30_days_4_hours_43_minutes_after_injury.JPG
Jpbarrass, Public domain, via Wikimedia Commons

Lining of treachea
https://commons.wikimedia.org/wiki/File:Trachea_(mammal)_histology_cross-section.png
Magscope, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

Platelets
https://commons.wikimedia.org/wiki/File:Platelets2.JPG
No machine-readable author provided. Graham Beards assumed (based on copyright claims)., CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

Oedema
https://commons.wikimedia.org/wiki/File:MyParonychia.jpg
DRosenbach at English Wikipedia, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons

Inflammation
https://commons.wikimedia.org/wiki/File:Allergy_to_Antibiotic_Cefaclor.JPG
Harrygouvas at English Wikipedia, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons

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