how do human beings breathe ?
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When you breathe in, or inhale, our diaphragm contracts and moves downward. This increases the space in our chest cavity, and our lungs expand into it. The muscles between our ribs also help enlarge the chest cavity. They contract to pull our rib cage both upward and outward when we inhale
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Breathing in
When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.
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