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1. The earliest organ to form and begin function within the developing human is the ________.
 
 
 
 

Question 1 of 7

2. Of the three germ layers that give rise to all adult tissues and organs, which gives rise to the heart?
 
 
 
 

Question 2 of 7

3. The two tubes that eventually fuse to form the heart are referred to as the ________.
 
 
 
 

Question 3 of 7

4. Which primitive area of the heart will give rise to the right ventricle?
 
 
 
 

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5. The pulmonary trunk and aorta are derived from which primitive heart structure?
 
 
 
 

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6. Critical Thinking: Why is it so important for the human heart to develop early and begin functioning within the developing embryo?

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7. Critical Thinking: Describe how the major pumping chambers, the ventricles, form within the developing heart.

Question 7 of 7