Chapter 11.1: Circulatory System

Table of Contents:


The circulatory system describes the way an organism delivers oxygen and nutrients to its tissues, allowing those tissues to function and grow.

Invertebrate Circulation

The chapter on Diversity of Life provides many of the key facts for the circulatory systems of the six kingdoms. Here, we will provide a very brief overview.

General theme - as organisms become more and more complex, so to do their circulatory systems.

  1. No circulatory system: