Topics: Lung & Breathing Quiz
Which gas we take in when we inhale?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen
Select your answer:

Topics:
Disease Prevention Hele Skeletal System Human Organ System Soldiers of Defense 5 Major Food Groups Human Circulatory System Thrombosis, Emboliya Cells, Genetics & Heredity Review Infant Nutrition Fat Disease, Illness and Sickness Protein Synthesis Enzymes Blood/Lymphatic/Immune Pathology of Cardiovascular Disease Cardiorespiratory SystemOther quiz:
Skeletal System Vocabulary › ViewPart of medicine that specializes in diagnosis and treatment of the foot and lower leg.
A. chiropractor
B. prosthetics
C. podiatry
D. dentistry
Nutrition › View
If you exercise enough, diet doesn’t matter
A. TRUE
B. FALSE