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Marta_Voda [28]
3 years ago
10

When a person sees a doctor about a respiratory illness, the doctor will want to determine if the sickness is in the upper respi

ratory tract or the lower respiratory tract. The starting point for the lower respiratory system is the trachea.
Which structures are part of the upper respiratory system? Select three options.
Biology
1 answer:
ELEN [110]3 years ago
3 0

Answer:

lungs

throat

ears

Explanation:

I'm not sure how this helps.

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