GCSE Biology Revision "Negative Feedback"

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In this video, we look at the roles of adrenaline and thyroxine and then explore how thyroxine levels are controlled by negative feedback.

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Image credit:

Beating heart By DrJanaOfficial - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=50477765

Music credit:

Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/?keywords=deliberate+thought
Artist: http://incompetech.com/

Тэги:

#gcse #science #revision #biology #negative_feedback #endocrine #hormone #adrenaline #thyroxine

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