Select your answer:
Topics:
Urinary System Respiratory and Urinary Disease & Immunity Oral Hygiene The Cardiovascular System: Blood Vessels and Hemodynamics Source of Food The Skeletal System Circulatory, Artery, Vein - basics Iron Kinetics Nasal Polyp Integumentary and Musculoskeletal Systems Infectious Diseases & the WHO Cardiopulmonary Pediatric Musculoskeletal Disorders CVAOther quiz:
Respiratory System › View Letter B is pointing to which organ of the Respiratory System?
A. Nose
B. Trachea
C. Lungs
D. Diaphragm
Molecular Genetics Integrated Science › View
Adenine pairs with thymine in DNA, but pairs with _________ in RNA.
A. uracil
B. thymine
C. cytosine
D. guanine