Open Circulatory System

A system in which blood moves through open spaces as well as vessels. Open circulatory system. In an open circulatory system, blood flows freely around the body's organs instead of being contained entirely within blood vessels.

Open Circulatory System Definition - Easy to Understand | GradesUp.gg
Open Circulatory System Definition - Easy to Understand | GradesUp.gg

Open Circulatory System: A system in which blood moves through open spaces as well as vessels. Open circulatory system. In an open circulatory system, blood flows freely around the body's organs instead of being contained entirely within blood vessels.

GradesUp

Learn While Playing The Best Video Games.
Using GradesUp:
Study: Students took a test on unknown facts in Life Science and scored an average of 10%. After using GradesUp while playing games for 5 hours, their average score increased to over 70%.