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What are hormones? - Animal coordination, control and homeostasis: Video playlist - BBC Bitesize
Sophie Ward explains how hormones keep the human body in balance.
↗ https://www.bbc.co.uk/bitesize/topics/zm4yqyc/watch/zdrsxg8Sophie Ward explains how hormones keep the human body in balance.
↗ https://www.bbc.co.uk/bitesize/topics/zm4yqyc/watch/zdrsxg8