Photographs of this experiment are the best way to display the procedure. IT OUT Animals have hearts with two or more chambers that pump blood through their circulatory system. Discover more about the hearts of different animals. Use diagrams of animal hearts as part of your project display. Insect blood is usually greenish in color.
Some insects have pulsating sacs in their knee joints that push the blood throughout the body.
Find out more about the circulatory system of insects.