When we breath in our chest expands to some extent but I don’t understand how it that possible. Bones can’t expand or anything, so how are we able to “expand them”, make them “longer”?
In: Biology
Your ribcage has joints! The joints let your ribs move so that they lay open or flatter together and then the rest of the space your lungs need to breathe is inside your body, the diaphragm is a muscle that lays horizontally right about where your ribs end and it falls lower to make your lungs expand and rises again to empty them. Your tummy, obviously, is free to move to accommodate that.
There is a muscle in your stomach wich pulls on your lungs to make a vacuum in your lungs so it will suck in air this muscle pushes yourother organs in your belly down but it cant go there because there are bones there so it will expand to the front making you “fatter”
There also is another way to breathe it has to do with tiny muscles in your ribs but i dont know how that works
Everything to some degree has elasticity or stretchitude Some things more than others. Flesh and other meaty human bits have a good bit of it. As temperature and pressure cause things inside you to expand and contrast muscles and all of their neighbors who live inside you put force on your interior causing expansion and decompression. You have to be careful though because things that stretch do have breaking points. Just don’t go too far down the human inflation rabbit hole unless you are ready to see some things they don’t teach in health class, but hey we don’t kink shame here.
Open your hand and then make a fist. Now imagine there’s a squishy balloon in your hand. Relax, squeeze. Your lungs work pretty much the same.
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