Tricuspid valve: (more than one answer may apply – select all that apply!) 

Delivers blood to the lungs:

Aortic valve

The SA Node is:

Of the following vessels, which would branch off of the aorta first?

Samuel’s doctor informs him that his blood viscosity is high. Which of the following statements is NOT true? 

The function of the chordae tendineae is to:

The layers of the heart from superficial to deep are: 

The outermost layer of a blood vessel is the:  

Which of the following is the thickest layer of the heart wall?