cardiovascular system

13) The largest artery in the body is the ________.

aorta

5) Blood leaves the left ventricle through an artery known as the ________.

aorta

Which valve guards the base of the aorta and opens when the ventricles are contracting?

aortic semilunar valve

1) The pointed, inferior portion of the heart, known as the ________, rests on the diaphragm and is oriented toward the left hip.

apex

10) Large blood vessels that carry blood away from the heart are called ________.

arteries

3) The two superior receiving chambers of the heart are known as the ________, while the two inferior discharging chambers of the heart are known as the ________.

atria; ventricles

4) The valves located between the atria and ventricles are known as the ________ valves.

atrioventricular (AV)

Pulmonary arteries transport ________.

blood rich in carbon dioxide to the lungs

7) The tiny white cords that anchor the cusps or flaps of endocardium to the walls of the ventricles are called the ________.

chordae tendineae

2) The visceral layer of the serous pericardium is actually the same layer as the ________.

epicardium

19) What structure divides the left atrium from the right atrium?

interatrial septum

8) The walls of the ________ are substantially thicker because that chamber acts as the more powerful systemic pump of the heart.

left ventricle

16) Pulmonary circulation involves blood flow to and from the heart and the ________.

lungs

15) The heart is situated within the medial section of the thoracic cavity known as the ________.

mediastinum

9) The bicuspid valve is also referred to as the ________ valve.

mitral

11) Arteries are normally depicted as red while veins are colored blue. The exceptions to this rule are the ________ arteries and veins.

pulmonary

6) The transportation of blood from the right side of the heart to the lungs and back to the left side of the heart is known as ________ circulation.

pulmonary

The left atrium receives blood from the ________.

pulmonary veins

20) The tricuspid valve is located between the ________.

right atrium and right ventricle

12) Large veins have ________ to prevent the backflow of blood.

valves

Which one of the following blood vessels carries oxygenated blood?

D) pulmonary vein

14) Veins draining the head and arms empty into the ________, which carries blood to the right atrium of the heart.

superior vena cava