What important substance is replenished as blood flows through the ... | MedicalQuiz.Net

★ Human Body Systems Quiz

What important substance is replenished as blood flows through the heart?
A. iron
B. nitrogen
C. water
D. oxygen

Select your answer:

Topics:

Blood Pressure Bacterial Cell Structure Infectious Disease Muscle & Nerve Tissue Ears Life Processes - Digestion and Respiration Nutrition and Human Digestive System Micro Immunology Sarcomere Anatomy Skeletal System Homeostatic Imbalances Clinical Pathology Muscle pathophysiology Smoking Related Diseases Nephrology (Hemodialysis) Skin Diseases

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What is #1?

A. Kidney

B. Ureters

C. Bladder

D. Urethra

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Which continent might be considered the most dangerous for outdoor air pollution?

A. Africa

B. Australia

C. North America

D. Asia

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