Atlas of plant and animal histology

Choose true or false. Each right answer scores 1, and each wrong answer scores -1. Not answered questions score 0.

1) The function of the respiratory system is restricted to the exchange of oxygen and carbon dioxide between the blood and the environment.

2) Olfaction depends on respiration.

3) The larynx communicates the nasal and oral cavities with the pharynx.

4) Sounds are generated by the pharynx.

5) The trachea is lined with simple squamous epithelium

6) The cartilage that forms the incomplete rings of the trachea is elastic cartilage.

7) The main bronchi end in the pulmonary alveoli.

8) The cartilage progressively disappears as the respiratory ducts branch.

9) Alveoli are connected with terminal bronchi.

10) The epithelium of the terminal bronchi and alveoli is pseudostratified.

11) Goblet cells release the mucous layer that lines respiratory ducts.

12) The tracheal epithelium is composed of one cell type.

13) There are exocrine glands in the trachea.

14) Goblet cells are also found in the smaller bronchioles.

F-1) The labels in the image are correctly placed.

F-2) The dotted line indicates the submucosa of the trachea.

F-3) Asterisks are on the cartilage of the bronchus.

F-4) This the image of a bronchus.

F-5) Asterisks indicate alveolar lacunae.