Hematocrit is determined by the percentage of a. plasma. b. leukocytes. c. platelets. d. erythrocytes. Clotting proteins a. stem blood loss after injury. b. transport certain molecules. c. help keep...

Hematocrit is determined by the percentage of

a. plasma.

b. leukocytes.

c. platelets.

d. erythrocytes.

Clotting proteins

a. stem blood loss after injury.

b. transport certain molecules.

c. help keep water in the bloodstream.

d. protect the body from pathogens.