Chapter 10

Question 1

Function of Respiratory System

Answer 1

1. Gas Exchange between Environment and Body
2. Regulation of Acid Base Balance during Exercise
3. Regulation of Body Temperature

Question 2

Conducting Zone

Answer 2

1. Trachea
2. Bronchi
3. Bronchioles

Question 3

Respiratory Zone

Answer 3

Alveoli

Question 4

Mechanics of Inspiration

Answer 4

1. Thoracic Cavity Expands
2. Diaphragm contracts expanding vertically
3. Ribs elevate, thoracic cavity widens
4. Inferior part of sternum moves anteriorly

Question 5

Mechanics of Expiration

Answer 5

1. Thoracic cavity gets smaller
2. Diaphragm relaxes
3. Ribs depress
4. Inferior portion of sternum moves posteriorly

Question 6

Muscles of inspiration

Answer 6

SCM, Scalenes, Diaphragm, external and parasternal intercostals

Question 7

Muscles of expiration

Answer 7

Internal intercostals, External/Internal Obliques, Transverse/Rectus Abdominus

Question 8

Oxygen Transportation

Answer 8

1. Physical Solution
2. Bound to hemoglobin

Question 9

Factors affecting Oxyhemoglobin diffusion (happens faster)

Answer 9

1. Warmer temperatures
2. Lower pH