winds also B. because winds change the air pressure meaning thats the answer
D. Proteins help control substances by making trans-membrane channels.
<span>Phagocytosis of the microbes that enter the body or tissues. Also lymphocytes build specific antibodies against microbes.</span>
Answer:
3
Explanation:
because you don't have to ...you know
Air passes through is: Nostrils → nasal cavity →Pharynx → Larynx →Trachea → Bronchi (with cartilaginous rings) →Bronchioles (without rings) → Alveoli (air sacs). Alveoli are the seat of exchange of O2 / CO2 between lungs and blood.
