★ Health Quiz
The element _______is found in all of the organic compounds.
A. Iron
B. Nitrogen
C. Carbon
D. Oxygen
Select your answer:
Topics:
Adaptive Immune System Organisms Healthy Foundations Energy, Hydrology, Microbiology Human Eye and Colourful World Cardiovascular Pathophysiology Infectious Diseases & the WHO Terms and Definitions - Diseases Tongue and Skin Bacterial Growth All About Blood Microbes Pain Pathophysiology Blood Formation and Clotting History of PsychologyOther quiz:
Body System › ViewMuscle contraction that keep food moving alone in one direction through the digestive system.
A. epiglottis
B. nephrons
C. peristalsis
D. enzymes
Nutrients in Food › View
is the best biological solvent
A. Water
B. Fiber
C. Fats
D. Vitamins
E. Minerals