Select your answer:
Topics:
Gaseous Exchange in Humans Physical Fitness Components Food for Thought Health and Medicine Dyslexia Bones Anatomy Psychology Prokaryotic Cells and Viruses Degeneration Pathology Communicable Disease Hemodynamics Normal Radiographic Anatomy Bone Development and Remodeling Trichology Introduction to KinesiologyOther quiz:
Respiratory System › ViewA serious disease of the lungs that causes the air sacs to be destroyed is called
A. Cancer
B. Emphysema
C. Atherosclerosis
D. Asthma
Microorganism - Diseases › View
Beneficial or Harmful?
bacteria weakens teeth enamel
A. beneficial
B. harmful