14. Name the Muscle that the black arrow is pointing to?

                                                                  43. The region labeled “A” is called?

                                                            10. Please identify the structure lettered “F”?

                                                                                19. Name the muscle the  black arrow is pointing to?

The substance that can dissolve blood clots is______________:

The apex of the heart is found in the following structure:

The P-wave on the EKG represents the following event:

What is true during ventricular systole?

The right atrium receives ___________________________blood via these vessels_______________:

Prior to ejaculation the sperm is stored primarily in: