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Infectious Diseases Digestive System Autism Awareness Respiration in Organisms Health Systems Macromolecules and Enzymes Human Genome and Bioethics Review Non-Communicable Disease MEDICINE Anatomy Muscles Integumentary System Skin Structure Cell Theory Vocabulary Sensory System Key TermsOther quiz:
The Human Body › ViewWhich of these tubes carries air in the lungs?
A. bronchi
B. blood vessel
C. trachea
D. larynx
Organic Compounds, Minerals and Enzymes › View
What am I?
I am comprised of C, H, O, N & S.
A. an adenosine triphosphate molecule
B. an amino acid
C. a phospholipid
D. a sucrose molecule