This is the only valve with 2 cusps in the heart.

The specialized bundle of cells that controls the rhythm of the heart's contractions.

These are blood vessels that carry blood back to the heart.

If we have a problem with our electrical impulses going on in our heart, a doctor can give us this type of test to determine the problem.

The myocardial cells must have a constant supply of this in order to keep functioning at a constant rate.

Arterial disease where plaque builds up on walls of the arteries and causes constriction.

The upper chambers of the heart are called the _____.

This causes the first number of your blood pressure and when the atria and ventricles contract.

This is the contracting of blood vessels that decreases the diameter of the vessel.

This is protected by the ribs and the sternum.

This is when the wall of an artery weakens causing a sac to form and making it more likely to burst.

The valve found between the right atrium and right ventricle is called the...

The pulmonary circuit pumps this type of blood to the lungs.

This is an irregular heartbeat.

This is taken at the radial artery and is usually 60-100 bpm.

This is the ease at which blood flows through the vessels.

These are strong elastic vessels that withstand a lot of pressure and are the pathways for blood to all parts of the body.

This is inflammation of the pericardium caused by a bacterial or viral infection

This is another name for the pacemaker of our heart and is located in the right atrium.

This increases the diameter of a vessel allowing blood to flow easier.

This is the rise and fall of the pressure exerted on the blood in accordance with the phases of the cardiac cycle.

These are structures used to transport blood, gas, nutrients, and metabolic wastes throughout our bodies.

This is exchanged in capillaries

These are specialized fibers located in the heart that recieve electrical impulses and cause ventricles to contract.

This is caused by the friction between blood and the walls of the vessels.

The systemic circuit pumps this type of blood to all parts of the body.

The lower chambers of our heart are called...

This is structures that seperates our heart into left and right portions.

A person with Anti-A antibodies in their plasma would have which blood type.

Type O blood is considered the universal donor because the blood contains:

The primary function of hemoglobin is...

Type AB is considered the universal acceptor because:

The 2nd number of our blood pressure is caused by the remaining low pressure in our ventricles before the next contraction.

These are the smallest blood vessels in the body.

This determines how much blood enters the arterial system.

This is the volume of blood that is ejected from the ventricles when they contract.

The bottom of the heart is called the...

This disease affects 6% of Americans (mainly women) and is caused by a faulty valve.

This is the top of the heart.