During ventricular systole, the A) atria are contracting. B) ...

[Medesa]

During ventricular systole, the
 A) atria are contracting.
  B) blood is entering the ventricles.
  C) AV valves are closed.
  D) pressure in the ventricles remains constant.
  E) pressure in the aorta remains constant.

Question 2

Sperm are moved along the ductus deferens (vas deferens) by
 A) hydrostatic force.
  B) ciliary action.
  C) peristaltic contractions.
  D) suction.
  E) hydraulic action.

[maya.nigrin17@yahoo.com]

Answer to Question 1

C

Answer to Question 2

C

[Medesa]

Gracias!

[sailorcrescent]

Thanks for the timely response, appreciate it