Chapter 21.1, Problem 6BYGO

Summary Introduction

To analyze:

The three routes by which blood-borne substances can pass through a capillary wall into the tissue.

Introduction:

Materials such as nutrients, waste, and hormones must pass through the walls of the vessels between the blood and the tissue fluids to serve any purpose. The wall is too dense for sufficient movement of chemicals between the bloodstream and tissue fluid in almost all the larger vessels.