Question

1. the main components of blood are:

a. platelets, red blood cells, plasma, white blood cells
b. red blood cells, platelets
c. proteins, plasma, neutrophils
d. white blood cells, red blood cells, oxygen

Explanation:

Blood is mainly composed of plasma, red blood cells, white blood cells, and platelets. Plasma is the liquid part, red blood cells carry oxygen, white blood cells are part of the immune - system, and platelets help in blood clotting.

Answer:

a. Platelets, red blood cells, plasma, white blood cells