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