Select your answer:
Topics:
Child Development Immunology IBD Types of Medical Reports Physical Therapy and Rehabilitation Cell Diversity - Organization, Tissues, Plants and Animals Differentiation and Division of Human Cells Respiration, Immune System, Blood Cells The Cell Cycle Pancreas Anatomy and Histology of Stomach Balanced Diet Musculoskeletal Disorders Human Eye Humanistic and Biological Psychology Infant NutritionOther quiz:
Eye in Color Vision › ViewWhat is color blindness primarily caused by?
A. Damage to the optic nerve
B. Deficiencies or absence of certain types of cones
C. Overactive rods in the retina
D. Problems in the cornea
Circulatory & Respiratory System › View
Help clot the blood to keep you from bleeding to death when you are injured. They are cell fragments.
A. plasma
B. red blood cells
C. white blood cells
D. platelets