Chapter 49, Problem 2Q

Summary Introduction

To review:

The advantage gained by shunting blood away from the lungs in alligator.

Introduction:

Crocodiles and alligators are reptiles which have a four-chambered heart, similar to birds and mammals. The major difference is that crocodiles and alligators have two aortas, one from each ventricle, and the flow into these aortas is controlled by valves.