2.1- Respiratory System

Question 1

Gross anatomy

Answer 1

is the study of the organs and structures of the human body visible to the naked eye.

Question 2

Hilum

Answer 2

is known as the “root” of the lung. This is where the pulmonary vessels and bronchi enter each lung

Question 3

Pleurae

Answer 3

are membranes that cover the surface of the lung and the cavity surrounding the lungs.
The pleurae also help to pull the lungs open with the chest wall during inhalation.
-Visceral Pleura
-parietal Pleura
-Plural space

Question 4

visceral pleura, parietal pleura, pleural space

Answer 4

• directly covers the lungs
• covers the surfaces surrounding the lungs: the rib cage, diaphragm, and mediastinum.
• he space that is formed between the pleurae

Question 5

3 Main functions of the respiratory system

Answer 5

1) air conduction, 2) air filtration, and 3) exchange of gases/ respiration.

Question 6

Air flow to the lungs

Answer 6

Air moves through the nasal cavity–>
pharynx –>larynx –> trachea, –> bronchi–> the lungs.
Along the way, air is filtered so that it is free of debris, warmed, and humidified. By the time the air reaches the lungs, it is at body temperature and saturated with water.

Question 7

Nasal Cavities/ fossae

Answer 7

composed of bone and cartilage, are made up of several parts. The left and right fossae are separated by the nasal septum.

Question 8

Vestibule

Answer 8

composed of bone and cartilage, are made up of several parts. The left and right fossae are separated by the nasal septum.