Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-do-we-sweat-john-murnan There are a number of ...
========== The finish line's in sight
and you put on an extra burst of speed. As your legs pick up the pace,
your breathing gets deeper, your heart pounds faster, and sweat pours over your skin. How does this substance
suddenly materialize and what exactly is its purpose? There are a number of scenarios
that can make us sweat: eating spicy foods, nervousness, and when we're sick. But exercise is probably the most familiar
and common. In that case, sweating happens
as a response to movement triggered deep inside your cells. As you increase your pace,
your muscles work harder, increasing their demand for energy. A process called cellular respiration consumes glucose
and oxygen to form ATP, the energy currency of the cell. Much of this process takes place
in structures called mitochondria...