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Select your answer:
A  B  C  D  E 

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Topics:

The Cell Cycle & Cancer Neuroanatomy Nervous & Endocrine Systems Digestion Anatomy and Physiology Sensory Disorder What is Psychology? Musculoskeletal Injuries & Workstation Design History of Medicine Muscle Tissues Salmonella vs E.coli Vessels Cell Structure and Functions Musculoskeletal - Clinical Microrganisms

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Other quiz: Circulatory System

What do Red-Blood cells do?
A. Carry oxygen from the lungs to the body cells and transport carbon dioxide from the cells back to the lungs
B. keeps blood flowing in one direction to the heart and prevent blood from flowing backwards
C. Collects blood from the capillaries and drain it into the veins
D. Bring nutriients to the cells and carries away waste materials.

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