The Respiratory System Answers

The epiglottis prevents food and water from entering the .

The contains special cells that filter air.

Air mainly enters the body through the .

Identify the structures labeled in the diagram to the right. Label A

Label B

The are enclosed in a membrane called the pleura.

In 1965, Congress passed the Cigarette Labeling and Advertising Act.

The are branch-like extensions found in the lower respiratory system.

Which of the following did you include in your answer? Check all that apply.

For more than 2,000 years, asbestos has been used in home insulation, roofing, cements, tiling, and brake pads.

Identify the structures labeled in the diagram to the right. Label A

In the 2000s, industries specialize in asbestos reduction.

In the 1930s, medical journal articles linked asbestos to cancer.

Scientists provided evidence that secondhand smoke causes cancer.

Gas exchange occurs by the process of .

Gas exchange occurs in saclike structures called .

diffuses from the alveolar sacs into the blood in the capillaries.

diffuses from the blood in the capillaries into the alveolar sacs.