Chapter 23.1, Problem 3LO

Summary Introduction

To analyze:

The comparison of circulatory systems of fish, amphibian, birds, and mammals.

Introduction:

Fishes, amphibian, reptiles, birds, and mammals are the different classes of phylum chordates. In these animals, the circulatory system is a one of major organ system which helps to circulate the nutrients, the respiratory gases, the metabolic wastes, hormones and other substances to each and every cell of the body. The systems also have some differences among them.