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Sir, I've been wondering what myogenic contraction is. I learnt it in Biology but I didn't really understand it.
Sure kiddo. Your heart is myogenic, meaning it can contract without stimulation from motor neurons. The membrane of a heart muscle cell depolarises when the cell contracts and this activates adjacent cells, so they also contract.
Oh! But how does the heart maintain my blood pressure?
Well, your blood pressure gradient can be maintained by generating high hydrostatic pressure to pump blood out of the heart, while also creating low pressure to bring it back in.
Oh hi Daisy. Mr Humbert was just explaining something to me about the heart.
Ah! Anyways, Mr Flaubert wants to see you about your Biology test. You should go find him in the lab soon.
Saitama! I've been looking for you! What are you doing here?
One Eternity Later...
NOOOOOOOOOOO OOOOOOOOOOOO OOOOOOOOOOOO OOOOOOOOOOOO
There you are! I've been looking everywhere for you! I need to talk to you about your test. Have a seat.
Thousands of tears later...
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