Blood plays a role in blood clotting when an injury occurs.
True
The main components of the blood are red blood cells, white blood cells, and platelets.
False
Blood plasma has a fewer number than blood cells.
False
The number of red blood cells is the highest among other blood cells.
True
Hemoglobin in red blood cells (erythrocytes) is a pigment that makes the blue color in the cells and have function to carry oxygen.
False
White blood cells (leucocytes) have characteristics: the shape are bigger than erythrocytes, the number of white blood cells is less than the other blood components, have different shapes and sizes, and made in the bone marrow and lymph.
True
The characteristics of platelets: have the smallest size than the other blood cells and have a higher number than white blood cells.
True
Platelets have functions to help blood clotting, make scabs over cut, and to repair your body.
True
