Heart Function & Circulation

In a medical setting, circulation refers to...

• Blood flow through the heart and blood vessels
• Blood flow to the lungs
• Movement to and from or around something
• The public availability or knowledge of something.

What is the heart? 

• meaty organ 
• a small metal spike with a broadened flat head,
• organ of soft nervous tissue 
• muscular organ

Blood passes from 

• ventricle to atria
• aorta to pulmonary trunk
• atria to ventricle
• atria to atria

What carries the oxygenated blood from the lungs to the left atrium of the heart?

• vena cava 
• aorta
• pulmonary vein
• pulmonary artery

What are the functions of the tricuspid and bicuspid valves?

• prevent blood from leaking back into the ventricles
• prevent blood from leaking back into the atria
• allow blood to flow into the atria
• allow blood to leave the ventricles

What are the functions of the aortic and pulmonary valves?

• prevent blood from leaking back into the ventricles
• prevent blood from leaking back into the atria
• allow blood to flow into the atria
• allow blood to leave the ventricles

Oxygen-poor (deoxygenated) blood flows into what atrium? 

• left
• bottom
• right
• top

Oxygen-poor (deoxygenated) blood flows into what  ventricle? 

• left
• bottom
• right
• top

Oxygen-rich (oxygenated) blood flows into what  ventricle? 

• left
• bottom
• right
• top

Pulmonary circulation involves blood flow to and from the heart and the _______.

• body
• digestive organs
• brain
• lungs