Answer:
<h3>bronchioles > alveoli </h3>
Explanation:
Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange)
Drugs, chemicals, and radiation that can cause birth defects are known as D. teratogens. Teratogens are<span> environmental agents that produce abnormalities during embryonic or fetal development.
Carcinogens can cause cancer. Progestins are used as hormonal contraception. Toxoplasmosis is a parasitic disease.</span>
Yes, a water droplet can be inhaled into the lungs.