Human Biology (MindTap Course List)

11th Edition
Cecie Starr + 1 other
Publisher: Cengage Learning
ISBN: 9781305112100



Human Biology (MindTap Course List)

11th Edition
Cecie Starr + 1 other
Publisher: Cengage Learning
ISBN: 9781305112100
Chapter 10, Problem 2SQ
Textbook Problem

The ________ is an airway that connects the nose and mouth with the ________.

  1. a. oral cavity; larynx
  2. b. pharynx; trachea
  3. c. trachea; pharynx
  4. d. pharynx; larynx

Summary Introduction

Introduction: The process of gas exchange that occurs between an organism and its environment is known as respiration. For cellular respiration, most of the animal cells need a continuous oxygen supply. During respiration, oxygen is inhaled from the environment and transported to individual cells of the body. Carbon dioxide produced during the cellular respiration is exhaled from the body to the environment.

Explanation of Solution

Reason for the correct answer:

Option b. is given as “pharynx; trachea”.

Pharynx is commonly known as the throat. It is a funnel-shaped pathway of about 13 centimeters in length. It is the common passageway for food and air. Pharynx is present posterior to the oral cavity, nasal cavity, and larynx. Pharynx connects the trachea through epiglottis and larynx. The trachea is commonly known as the windpipe. It is an open tube that attaches to the larynx and to two main bronchi.

Hence, the correct answer is option b.

Reasons for incorrect answers:

Option a...

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