The principal ions in intracellular fluid are magnesium, ...

[Chelseaamend]

The principal ions in intracellular fluid are magnesium, phosphate and
 A) sodium.
  B) bicarbonate.
  C) chloride.
  D) calcium.
  E) potassium.

Question 2

Thick projections of muscle in the ventricles that anchor chordae tendineae are called
 A) pectinate muscles.
  B) conus arteriosus.
  C) papillary muscles.
  D) trabeculae carneae.
  E) auricles.

[aliotak]

Answer to Question 1

E

Answer to Question 2

C

[Chelseaamend]

Gracias!

[bdobbins]

Thanks for the timely response, appreciate it