The Heart Crossword Puzzle

Artery – Blood vessel that carries blood away from the heart.
Aorta – The largest artery in the human body.
Valve – Structure that ensures one-way blood flow within the heart.
Cardiac – Relating to the heart.
Chamber – A section of the heart that receives or pumps blood.
 
Ventricle – Lower chamber of the heart.
Pulmonary – Pertaining to the lungs or the blood vessels to and from the lungs.
Atrium – Upper chamber of the heart.
Pacemaker – The natural electrical system that regulates the heart rate.
Coronary – Relating to the blood vessels that supply the heart muscle.