The description of the relative thickness of the walls of the heart chambers is that; the heart chambers themselves are thin, but the heart chambers are very thick.
The heart chambers are composed of four hollow spaces within your heart. They are;
Two atria (upper chambers) - one to your right atrium and one to the left atrium.
Two ventricles (lower chambers) - One to your right ventricle and one to your left ventricle. Each of these chambers plays an important role in your heart's functioning.
Finally, the description of the relative thickness of the walls of the heart chambers is that; the heart chambers themselves are thin, but the heart chambers are very thick.
Read more about Heart Wall at; https://brainly.com/question/15022394
#SPJ12