Select your answer:
Topics:
Genetics Vocabulary Ecology & Organisms EKG CCMA Chemistry Orthopedics Excretory System Lung & Breathing Counseling: Fact or Myth? Components of Blood CVA Muscular System Movements Neurology Vocabulary - Health Cell - Fundamental Unit of Life MyocarditisOther quiz:
Diabetes › ViewIt is the contraction of the bronchi of the lungs which cause difficulty in breathing.
A. Lung Cancer
B. Asthma
C. Bronchitis
Vaccines › View
Which is smaller, a virus or a bacterium?
A. Virus
B. Bacterium