Chapter 26.4, Problem 2QC

Summary Introduction

To describe: What is surfactant.

Concept introduction: The pulmonary system is the biological system that consists of specific organs and structures used for the gas exchange in animals. The processes of the pulmonary system includes the transport of air into or out of the cell, the transport of the air spaces in the lungs and the blood stream, and the transport of the blood into and out of the capillary beds of the lungs to the body organs and tissues.

Summary Introduction

To explain: The function of surfactant.

Concept introduction: The processes of the pulmonary system includes the movement of air into or out of the cell, the movement of the air spaces in the lungs and the blood stream, and the movement of the blood into and out of the capillary beds of the lungs to the body organs and tissues. Alveolus is the little sac at the end of each tiny branch of the bronchial tree.