Chapter 34.2, Problem 3TC

Summary Introduction

To determine:

Whether the fish survive in those conditions, if a fish swims into sewage water which is highly contaminated, where bacteria’s have used up nearly all the available oxygen from the water

Introduction:

Fish have an advanced transport system within the lamellae which maintains the concentration gradient across the fish lamellae. In this system, water flows past the gills in the direction opposite to the blood.