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   Identify the layer at “C”.

  What is the function of the red structures at “A”.

  Identify the space indicated by the blue lines at “A”.

  Identify structure “A”.

  Ignore the sperm cells. Identify the opening at “C”.  (Be specific)

  Note the sperm cell at the bottom right. The cell at “C” is called a ______________________.

  Identify the cell at “B”.

Identify the area of maternal endometrium  at “B”.  Be specific.

​Sperm are stored in the ____ after they are produced.

Tight junctions between muscle cells help muscle tissue function as a unit.