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:
A  B  C  D  E 

Topics:

Epidemiology Meiosis and intro to Genetics Vitamin Reproduction Year 7 Nutrition First Aid Check up Cardiology Services Med Terms Fluid and Electrolytes Genetic Engineering ADVBIO Genetics Biology Microbiology Mental Health History of Immunology Branches of Microbiology

Other quiz: Chest, Back, Abs

What muscle is shown here?

A. pectoralis minor

B. pectoralis major

C. teres major

D. trapezius