Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 12 - Think and Explain: 78

Answer

For a small animal, there is a greater amount of radiating area per kg as compared to a large animal. This means the animal needs a greater amount of nutrients per kilogram of its body mass. These nutrients are carried by blood. The heart beats faster to circulate the blood and supply the greater need.

Work Step by Step

This is discussed on page 239.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.