Select your answer:
Topics:
Liveability Immunity Vision Ecology Upper Limb Plasmid Skin Appendages Haematology Vet Terminology Pathogens Macromolecules & Enzymes Medication Administration Hospice Basics PBS Routine Testing Nervous System: Diseases/Problems/IllnessesOther quiz:
Proteins, Amino Acids, & Enzymes › ViewProteins contain what elements?
A. Carbon
B. Hydrogen
C. Oxygen
D. Nitrogen
E. All above
Circulatory System › View
True or False: Arteries bring blood back to the heart?
A. TRUE
B. FALSE