eli5: When you breathe, why and how do you get that one breath that feels super refreshing?

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So you’re breathing normally, decide to take a deep breath and you feel a super refreshing feeling. But it doesn’t happen all the time when you take deep breaths, only once every couple minutes or so. Sorry if this is not a good explanation.

In: Biology

3 Answers

Anonymous 0 Comments

Most people don’t breathe very efficiently. We inhale and exhale enough to get the air we need, but very few people subconsciously breathe in a way that completely fills and empties their lungs with each breath. If you’re not inhaling completely, you’re not getting as much oxygen as you could; if you’re not exhaling completely, carbon dioxide sits in your lungs from your previous breath. Taking a big, deep breath every once in a while resets your breathing, so to speak, which is why it feels so refreshing when it happens. If you find yourself doing this very often, you may have a habit of taking a lot of shallow breaths instead of fewer, deeper breaths.

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