Human Physiology
Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Chapter 6, Problem 21RA
Summary Introduction

To review:

The following:

Factors influencing the rate of diffusion across the plasma membrane

Structural features of epithelial membrane specialized for diffusion.

Introduction:

Diffusion is a process of transport of molecules from regions of higher concentration to lower concentration. It takes place in liquids and gases as the particles are in a state of random movement. The process of diffusion does not require expenditure of energy. The plasma membrane exhibits different permeabilities toward various molecules.

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