The balance due after the patient payment is subtracted from the total charges is documented in item:

Where does the airway end?

A) Glottic opening B) Alveolocapillary membrane C) Tertiary bronchioles D) Mainstem bronchi

On tortoise and turtle shells and the head of snakes, epidermal scales called ______ form rings that can be counted, allowing a person to estimate the animal's age

Fill in the blank(s) with correct word