Hertz, or the number of cycles per second, represent the amplitude of sound. (True or false?)

Hertz, or the number of cycles per second, represent the amplitude of sound.
 
  Indicate whether the statement is true or false

Question 2

The collecting system is a storage site and transport pathway for tubular fluid and cannot reabsorb water, sodium, or potassium.
 
  Indicate whether the statement is true or false

Question 3

After entering the bloodstream, a carbon dioxide molecule may:
 
  A) be converted to carbonic acid. B) bind to macrophages.
  C) bind to plasma. D) All of the above

Question 4

Myocardial cells that perform the work of contracting are called _____ cells.
 
  a. mechanical
  b. electrical
  c. conductive
  d. working