Women who are ________ are at increased risk for venous ...

[BrownTown3]

Women who are ________ are at increased risk for venous thrombosis, strokes, and pulmonary embolism.
 
  A) using hormone replacement therapy B) using vaginal barriers
  C) taking oral contraceptives D) using intrauterine devices

Question 2

The respiratory system is responsible for the intake of fresh oxygen and the removal of waste in the form of _______ _______.
 
  Fill in the blank(s) with the appropriate word(s).

[krakiolit]

Answer to Question 1

C

Answer to Question 2

carbon dioxide