biology Can you hold your breath for ten seconds? How does it feel? You take a breath 22,000 times a day, usually without even thinking about it. On the other hand, holding your breath is hard and takes effort. Why is that? Take a deep breath, and let's dive into it!
BREATHING AND THE BRAIN
Even though we don't think about it most of the time, breathing is complicated. Your body is made up of trillions of cells, and each one needs oxygen to do its job. With every breath in, your lungs pull in oxygen molecules. These molecules travel from the lungs to the bloodstream, where red blood cells carry them throughout your body. Meanwhile, your cells release carbon dioxide (CO2) as a waste product. Red blood cells pick…
