★ Health and Hygiene Quiz
The main cause of contagious diseases is ____________
A. Contaminated air
B. Contaminated food
C. Poor hygiene condition
D. All of the above
Select your answer:

Topics:
Cancer & Cell Cycle Microbes and Infectious Disease Cell Theory and Cellular Structure Diseases of Digestive System Human Anatomy Viruses Functional Neuroanatomy of the CNS Anatomy - Cellular Respiration Types of Immunity The Respiratory System Kinetics Discovery of DNA Animal Nutrition Composition Of Human Blood T CellsOther quiz:
Bacteria Structure › ViewWhat type of bacteria are able to undergo photosynthesis?
A. Chemoheterotrophs
B. Photoautotrophs
C. Decomposers
D. Chemoautotrophs
Cell and Muscle Histology › View
What muscle is also known as visceral muscle?
A. Smooth muscle
B. Skeletal muscle
C. Cardiac muscle