Kinesiology 2850 Quiz 10 Respiratory System
What is the main function of the respiratory system?
Supply the blood with oxygen (O2) and remove carbon dioxide (CO2).
Which of the following is surrounded by cartilage disks and allows air to freely flow through it to the bronchus?
Trachea
The transversus abdominis supports the trunk by increasing the intra-abdominal pressure.
True
What is the primary site of gas exchange within the lungs?
Alveoli
What is it called when air passively leaves the lungs?
Expiration
What is the primary muscle used for inspiration?
Diaphragm
The external intercostals are used during forced expiration.
False
The right lung has 2 lobes and the left has 3, because of the location of the heart on the left side of the torso.
False
What are the three types of respiration?
Internal, External, and Aerobic Cellular
Which nerve innervates the diaphragm, causing inspiration?
Phrenic