A small ridge of cartilage at the most inferior portion of the "windpipe" called the now directs some air towards the left lung and some towards the right lung. The air will now travel through a series of tubes that become smaller and smaller as they repeatedly branch; these tubes, very similar in structure to the "windpipe", are called . Even tinier tubes continue branching; these tubes contain smooth muscle and cartilage is absent. They are called __.

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

See similar textbooks

Related questions

Question

A small ridge of cartilage at the most inferior portion of the "windpipe" called the __________ now directs some air towards the left lung and some towards the right lung.

The air will now travel through a series of tubes that become smaller and smaller as they repeatedly branch; these tubes, very similar in structure to the "windpipe", are called __________.

Even tinier tubes continue branching; these tubes contain smooth muscle and cartilage is absent. They are called __________.

The air now arrives at the __________, which is the final structure of the conductive zone of the respiratory tract.

The respiratory zone of the respiratory tract begins with a tiny tube called a __________.

The air has nearly reached the end of its journey as it travels down this final tube, called the __________.

The __________ has the appearance of a cluster of grapes.

__________ are the tiny air sacs where true respiration (gas exchange) can occur between them and neighboring capillaries

Expert Solution