Chapter 11, Problem 15CYU

Summary Introduction

To review:

1. The muscle which plays the most vital role in the process of respiration.

2. The additional muscles taking part in inspiration and forceful expiration.

Introduction:

Respiration involves two processes, namely inspiration and expiration. Inspiration occurs when air is inhaled through the nostrils while exhalation involves the release of air from the lungs. Inspiration provides body with oxygen while carbon dioxide is released out of the body through expiration.