★ Human Organ System Quiz
Humans breathe in ______ and breathe out _______.
A. Carbon dioxide; oxygen
B. Oxygen; carbon dioxide
C. carbon, oxygen
D. oxygen, carbon
Select your answer:
Topics:
Anatomy Bones Neurology Source of Food Body Systems & Anatomical Terms Diseases Communicable or non Communicable Chronic Diseases RDA Dental Caries The Respiratory System Normal Radiographic Anatomy Disease Prevention Muscular Pulse Healthcare Delivery Systems and Insurance Anatomy Muscles Therapeutic Services RootsOther quiz:
Cell › ViewThe ___ is the basic unit of sturucture and function of organisms
A. atom
B. cell
C. matter
D. all other answers are correct
Protein and Amino Acid Metabolism › View
Which amino acid classification includes cysteine and methionine?
A. Polar amino acids
B. Aromatic amino acids
C. Non-polar amino acids
D. Sulfur-containing amino acids