Exchange between the two main subdivisions of ECF occurs ...

[09madisonrousseau09]

Exchange between the two main subdivisions of ECF occurs primarily at the
 A) veins.
  B) muscles.
  C) tissues.
  D) capillaries.
  E) arteries.

Question 2

These structures keep the aortic valve cusps from sticking to the wall of the aorta.
 A) auricles
  B) chordae tendineae
  C) papillary muscles
  D) pectinate muscles
  E) aortic sinuses

[lcapri7]

Answer to Question 1

D

Answer to Question 2

E

[09madisonrousseau09]

TYSM

[bigcheese9]

Thanks for the timely response, appreciate it