The alveolus forms the respiratory zone that is predominantly involved in the exchange of gases such as oxygen and carbon dioxide by the process of diffusion to and from the blood. Each respiratory bronchiole extends to forms small, thin walled passages known as alveolar ducts. An alveolus is a small sac that extends from the alveolar duct. The alveolar ducts and the alveoli are lined by simple squamous epithelium without cilia. The human lung has about 150 million alveolar sacs.

Question

Want to see the full answer?

Answer 1

Question

Chapter 22, Problem 8WWTS

Summary Introduction

Introduction:

The alveolus forms the respiratory zone that is predominantly involved in the exchange of gases such as oxygen and carbon dioxide by the process of diffusion to and from the blood. Each respiratory bronchiole extends to forms small, thin walled passages known as alveolar ducts. An alveolus is a small sac that extends from the alveolar duct. The alveolar ducts and the alveoli are lined by simple squamous epithelium without cilia. The human lung has about 150 million alveolar sacs.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

H gene assorts independently from the I gene. Both on autosomes. One man and one woman, both of HhIAIB genotype. Determine the blood type of progeny and fractions out of 16

Alleles at the P locus control seed color. Plants which are pp have white seeds, white flowers and no pigment in vegetative parts. Plants which are P_ have black seeds, purple flowers and may have varying degrees of pigment on stems and leaves. Seed color can be assessed, visually, based on if the seed is white or not white A gene for mold resistance has been reported and we want to determine its inheritance and whether it is linked to P. For the purposes of this exercise, we will assume that resistance is controlled by a single locus M, and M_ plants are resistant and mm plants are susceptible. Resistance can be measured, under greenhouse conditions, 2 weeks after planting, by injecting each seedling with a spore suspension. After two weeks, the seedlings can be rated as resistant or susceptible, based on whether or not tissue is actively sporulating. For this exercise we will use seed and data from the F10 generation of a recombinant inbred population produced using single seed…

Linkage in common bean Alleles at the P locus control seed color. Plants which are pp have white seeds, white flowers and no pigment in vegetative parts. Plants which are P_ have black seeds, purple flowers and may have varying degrees of pigment on stems and leaves. Seed color can be assessed, visually, based on if the seed is white or not white A gene for mold resistance has been reported and we want to determine its inheritance and whether it is linked to P. For the purposes of this exercise, we will assume that resistance is controlled by a single locus M, and M_ plants are resistant and mm plants are susceptible. Resistance can be measured, under greenhouse conditions, 2 weeks after planting, by injecting each seedling with a spore suspension. After two weeks, the seedlings can be rated as resistant or susceptible, based on whether or not tissue is actively sporulating. For this exercise we will use seed and data from the F10 generation of a recombinant inbred population…