The hormone made by “A” is antagonistic to what other hormone?

   The grey cells at “B” are called _________________.

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

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

When does a secondary oocyte complete meiosis II?

What process is happening to the cell at “E”?

   What is the function of the hormone produced by the cells at the green arrows.

     Identify the entire structure above.

  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 ______________________.