Ch 7:8 - Circulatory System Flashcards (w/o terminology)

Front

Inside layer of the heart

Back

endocardium

Front

middle muscle layer of the heart

Back

myocardium

Front

outer layer of the heart

Back

epicardium

Front

double-layered protective sac that covers/surrounds the outside of the heart

Back

pericardium

Front

upper chambers of the heart

Back

atria

Front

lower chambers of the heart

Back

ventricles

Front

Which heart chamber(s) have the thinnest walls?

Back

atria

Front

Which heart chamber(s) have thicker but not the thickest walls?

Back

right ventricle

Front

Which heart chamber(s) have the thickest walls?

Back

left ventricle

Front

Valves _______ the back flow of blood.

Back

prevent