BIOLOGY (LOOSELEAF)-W/CONNECT
BIOLOGY (LOOSELEAF)-W/CONNECT
12th Edition
ISBN: 9781260692181
Author: Raven
Publisher: MCG
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Chapter 47.4, Problem 1LO
Summary Introduction

To determine: The mechanism of contraction and relaxation of the diaphragm and intercostal muscles that result in breathing.

Introduction: The respiratory tract is the long tube that extends from the nose to the lungs. The inner lining of the respiratory tract is lined by mucosa that secretes mucous for easy expansion and contraction of the tube and traps the dust and foreign particles in the mucous membrane.

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Respiratory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=v_j-LD2YEqg;License: Standard youtube license