Answer:
A
Explanation:
Air moves down the trachea, a long straight tube in the chest. The diaphragm pulls air in and pushes it out. Behind the nasal cavity, air next passes through the pharynx, a long tube that is shared with the digestive system. Both food and air pass through the pharynx. A flap of connective tissue called the epiglottis closes over the trachea when food is swallowed to prevent choking or inhaling food. In humans, the pharynx is important in vocalization.
Explanation:
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Its used to prevent organ rejection from kidney , liver or heart transplants. you can also use it to prevent psoriasis or severe <span>rheumatoid arthritis</span>
I can help you when you post the different answers they give you if it's a multiple choice if not then I can work with that. I would really like to have the multiple choice if it's possible. If not its fine.
