In addition to being an airway, the is the location of the human vocal cords.

the larynx

Explanation:

it is the organ forming an air passage to the lungs and holding the vocal cords in humans and other mammals also known as the voice box.

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.

trachea, alveoli, lung capillaries, arteries