The cardiovascular and _____ are the 2 systems of the circulatory system.

Our blood, blood vessels, heart and lungs make up our ___ system.

Blood circulating throughout the body is known as __ circulation.

Cardiopulmonary circulation takes blood from the heart to the ___ and back to the heart again.

The hearts function is to pump blood throughout the __.

The ___ of the heart is where you can hear the heart beat.

Our heart is located in the ___ cavity.

The heart gets its own blood supply from the ___ arteries.

The apex of the heart is the at the bottom as it sits in our thoracic cavity.

The human heart has ___ total chambers.

The top two chambers of the heart are called the ___.

The lower (bottom) 2 chambers are called ventricles.

The function of each of the 4 heart valves are to keep blood from flowing _____.

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

The "lubb-dupp" sound that we hear is the sound of two heart valves _____.

The heart acts as a "double pump," with the right and left sides having different jobs.

The right side of the heart pumps blood to the whole body.

The left side of the heart pumps blood to the whole body.

The blood vessels that take blood away from the heart are called ___.