When you inhale, your diaphragm contracts (tightens) and descends. This makes more room in your chest cavity for your lungs to expand. The intercostal muscles, which run between your ribs, also help to expand the chest cavity. When you inhale, they contract and pull your rib cage upward and outward.
Answers & Comments
Answer:
B. inhale
Explanation:
When you inhale, your diaphragm contracts (tightens) and descends. This makes more room in your chest cavity for your lungs to expand. The intercostal muscles, which run between your ribs, also help to expand the chest cavity. When you inhale, they contract and pull your rib cage upward and outward.
Answer:
B
Explanation:
When you inhale/breath it makes the lung bigger so it causes the youre go downward
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