Cardiovascular System

Gas exchange occurs in two places, what are they? 

• in the right atrium and in the lung cells
• in the cells of the body and in the brain cells
• in the lung cells and all the intraventricular septum
• in the cells of body and in the lung cells

Which order is correct? 

• Superior and inferior vena cavas into the right atrium through the tricuspid valve
• Superior and inferior vena cavas into the left atrium through the bicuspid valve
• right ventricle through the tricuspid valve into the right atrium
• body cells and tissues to the aorta through the aortic valve

How many chambers does the heart have ? 

• 4
• 6
• 3
• 1

What is the main function of the heart ? 

• The heart circulates blood and oxygen throughout the body.
  
• The heart is the control centers for all body activities.
• The heart gets rid of the wastes in your body produced by homeostasis. 
• The heart transports , protection and regulation. Blood transports the following substances: 

A blood vessel that carries blood TO the heart is called ...

• vein
• capillary
• blood vessel
• artery

White blood cells (WBC’s), red blood cells (RBC’s), plasma, & platelets are the 4 parts of what?

• blood vessels
• organs
• heart disease
• blood

The bottom chambers of the heart are called

• ventricles
• atria
• vena cava
• valves

Which part of the heart pumps deoxygenated (oxygen-poor) blood?

• Left side
• Right side
• Top side
• Bottom side

When looking at the heart, which side is the right?

• my right
• my left
• at the apex
• at the base

Where is the bicuspid valve located?

• between right atrium & right ventricle
• between left atrium & left ventricle
• between left ventricle & aorta
• between right ventricle & pulmonary trunk