Curve in spine can effect his or her other body parts too in addition to spine. The neck or head can be tilted forward, shoulder could be hunched, hip bone can be uneven, ribs can be effected leading to disorder of lung.
The ribs are able to increase and decrease in size because of the gliding motion of the ribs enabled by small joints between the ribs and the thoracic vertebrae.
<h3>What are the ribs?</h3>
The ribs are a pair of of twelve bones which form the thoracic cavity,
The ribs are very important as the help to protect the soft tissues and organs in the thoracic cavity such as the heart.
The ribs are able to increase and decrease in size because of the small joints between the ribs and the vertebrae which permit a gliding motion of the ribs.
Learn more about ribs at: brainly.com/question/193872
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I would say negotiation.
Engaging and accepting just makes it seem like you're willing to do it just for your friends.
Avoiding (could be a choice but it) makes it seem like you don't want to hang out with them.