Heart-Shaped Box
The receiving chambers of the heart.
What are the atria?
Vessels that feature one-way valves in the tunica intima.
What are veins?
That natural pacemaker of the heart.
What is the sinoatrial node?
The place where the exchange of blood occurs between the mother and the fetus.
What is the placenta?
The artery expanding and recoiling that can be felt at certain points of the body.
What is pulse?
The location of the heart and its vessels.
What is the mediastinum?
A type of circulation involving the heart and lungs.
What is pulmonary circulation?
An implant that is surgically placed to treat heart block.
What is an artificial pacemaker?
The vessels if the umbilical cord.
Veins from digestive organs divert blood to the liver for extra filtration.
What is the Hepatic Portal System?
Strong structures that anchor the leaflets of the bicuspid and tricuspid valves to the inside of the heart.
What are the chordae tendineae?
The type of vessels that connect the arteries to the capillaries.
What are the arterioles?
This instrument records the electrical signals of the heart.
What is an electrocardiogram?
A shunt that diverts blood from the right atrium directly to the left atrium.
What is the foreman ovale?
The involuntary muscle layer found in blood vessels.
What is the tunica media?
The muscular structure that separates the right and left ventricles.
What is the interventricular septum?
A valve that separates the right atrium and right ventricle.
What is the tricuspid valve?
The electrical activity that triggers the contraction of the heart muscles.
The function of the ductus arteriosus.
What is pulmonary artery and aorta connection?
A lack of oxygen to the heart muscle results in this injury.
What is myocardial infarction/ heart attack?
The first arterial branches off of the aorta that feed blood to the heart tissue.
What are the coronary arteries?
Vessels that carry deoxygenated blood away from the heart.
What are Pulmonary arteries?
Another name for the subendocardial fibers that are responsible for contraction of the ventricles.
What are the Purkinje fibers?
The fetal liver is not functional, so blood returning from the placenta flows through this structure.
What is the ductus venosus?
The sounds of the heart are caused by this action.
What is the closure of the heart valves?