Podcast Beta
Questions and Answers
The heart muscle has two layers.
False
The great blood vessels provide a pathway for the entire cardiac circulation to proceed.
True
The heart has five hollow chambers, or cavities.
False
The heart is equipped with three valves.
Signup and view all the answers
The blood vessels have two coats or tunics.
Signup and view all the answers
The cardiac cycle is the amount of blood pumped out by each side of the heart in one minute.
Signup and view all the answers
The aortic arch is the part of the aorta that passes through the diaphragm into the abdominopelvic cavity.
Signup and view all the answers
The inferior vena cava returns blood to the heart from all body regions above the diaphragm.
Signup and view all the answers
The conduction system of the heart occurs randomly and irregularly.
Signup and view all the answers
The venae cavae enter the left atrium of the heart.
Signup and view all the answers
