Cardiovascular System: ________ responsible for circulating blood to transport nourishment to all parts of the body.

• body system

• nervous system

• digestive system

• respiratory system

Heart: hollow muscular organ which acts as a continuous double pump to transport blood throughout the body; associated with the root ________.

• cardi/o

• nephr/o

• hepat/o

• gastr/o

Pericardium: double-layered sac surrounding the heart and the roots of the ________.

• great vessels

• lungs

• arteries

• veins

Epicardium: innermost part of the pericardium and outermost part of the ________.

• heart

• lung

• liver

• kidney

Myocardium: ________ muscle.

• cardiac

• skeletal

• smooth

• voluntary

Endocardium: inner lining of the heart’s ________ and valves.

• chambers

• arteries

• veins

• muscles

Atrium: upper heart chamber responsible for receiving blood from the veins which lead to the ________.

• heart

• lungs

• liver

• kidneys

Ventricle: lower heart chamber responsible for pumping blood away from the ________.

• heart

• lungs

• brain

• liver

Papillary Muscles: muscles located in the ventricles of the heart which attach to atrioventricular valves via ________.

• chordae tendineae

• tendons

• ligaments

• muscle fibers

Chordae Tendineae: fibrous tissues which attach papillary muscles to ________ valves.