Chemoreceptors
YOUR LINK HERE:
http://youtube.com/watch?v=LGE0UjCceO4
Chemoreceptors are receptors in the blood vessels and the medulla oblongata that sense gases and ions and use that information to monitor respiration rate
видеоклип, споделяне, камера на телефон, видеотелефон, безплатно, качване
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