Chapter 12 - Respiratory System Flashcards
1
Q
What is External respiration?
A
is the exchange of air in lung capillaries
2
Q
What percent of oxygen does inhaled air contain?
What percent of oxygen does exhaled air contain?
What is the medical term for air sacs?
A
(About 21%)
(About 16%)
Alveoli
3
Q
What is Mediastinum?
A
Middle of chest where trachea divides into two branches
4
Q
What is Bronchi?
A
Each lead to a separate lung
5
Q
What is Lungs?
A
Lobes are not mirror images
6
Q
Which lung is larger?
How many lobes does each lung have?
A
(Right)
Right: three, left: two
7
Q
What is Hilum?
The Hilum is midline where the bronchi, blood vessels, nerves and lymphatic tissue…
A
Blood vessels, nerves, lymphatic tissue, and bronchial tubes enter and exit.
Enter and exit the lungs.
