Refer to the Figure

Multiple Choice

Refer to the figure. Which of the following about the figure is false.

A) The substance labeled 1 contains water, salts, and plasma proteins.
B) Number 2 indicates white blood cells and platelets.
C) Number 3 indicates the hematocrit.
D) The substance labeled 4 contains cells that transport oxygen and carbon dioxide.
E) The substance labeled 1 is called the buffy coat.