Structure and Function
Receives blood from the veins and pumps blood into the arteries
Heart
How many valves control the flow of blood through the heart?
four
What cavity is it located in?
thoracic cavity
How many layers are there in the heart?
Two upper chambers of the heart
atria
Transport blood to and from all areas of the body
blood vessels
This valve is located between the left ventricle and the aorta
aortic valve
What is the size of the heart
the size of a fist
This is the inner lining of the heart
endocardium
Two lower chambers of the heart
ventricles
Transport blood away from the heart to all parts of the body.
Arteries
This valve is located between the right ventricle and pulmonary artery
pulmonary valve
The heart is located between the
lungs
This is the thickest layer of the heart
myocardium
The heart is divided into how many chambers
four
Return blood from all body parts to the heart
This valve controls the opening between the right atrium and right ventricle
tricuspid valve
Name the three main parts of the cardiovascular system
heart
blood vessels
blood
This is the external layer of the heart
epicardium
ventricles
Brings oxygen and nutrients to the cells and carries away waste
blood
The mitral valve is also known as the ___________ valve
bicuspid
What is the lower tip of the heart
apex
This is the inner layer of the pericardium
epicardium
All blood enters the heart through these chambers
atria