One side of the heart is less muscular than the other.  Which side is less muscular?  Why?  

Identify structure B 

Identify structure C.   

One side of the heart is less muscular than the other.  Which side is less muscular?  Why?  

Identify structure B 

What is the function of structure A? 

Give one example of where this tissue can be found in the human body. 

Give one example of where this tissue can be found in the human body. 

Identify structure A.  

Identify structure A.