GCSE Biology Revision quotNegative Feedbackquot

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=_Mts354VC7A

For thousands of questions and detailed answers, check out our GCSE workbooks https://www.amazon.co.uk/Dr-Shaun-Don... • Great deals on workbooks for schools https://www.freesciencelessons.co.uk/... • In this video, we look at the roles of adrenaline and thyroxine and then explore how thyroxine levels are controlled by negative feedback. • This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Biology. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks. • Image credit: • Beating heart By DrJanaOfficial - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index... • Music credit: • Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/...) • Source: http://incompetech.com/music/royalty-... • Artist: http://incompetech.com/

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