Anatomy: Animals Inside

Organs and Organ Systems

What are some of the major organs in animals and humans?

Not all animals have the same organs, but some organs are common to most organisms (mostly mammals) inside their bodies. The following lists only a few organs (from various organ systems):


This is a web preview of the "The Handy Biology Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App