Fill in the heart facts

Exercise and reference answers

Missing parts

1. Answer

   sinoatrial

   Choices

   1. sinoatrial
   2. atrioventricular
   3. Purkinje

2. Answer

   tricuspid

   Choices

   1. tricuspid
   2. mitral
   3. aortic

3. Answer

   S1

   Choices

   1. S1
   2. S2
   3. S3

Complete the statement

The heart's pacemaker is the {0} node. The valve between the right atrium and right ventricle is the {1} valve. The sound made by closing of the atrioventricular valves is called {2}.

Instructions

Tap the right word to fill each blank.