The upper airways begin with the nasal cavity and continue over nasopharynx and oropharynx to the larynx and the extrathoracic part of the trachea
Answer:
go to bed at the same time, close the curtains, exercise everyday, do something relaxing before bed
Answer:
Researchers haven’t yet discovered an effective vaccine for HIV. Advances in technology and medical capabilities have brought more advanced HIV treatments.
Explanation:
