Select your answer:

Topics:
Transportation in Organisms Molecular Genetics Teeths Protozoan Diseases Viruses and Prions Arteries Cardiology Services Med Terms Brain Mouth - Stomach The Human Eye Skin Diseases Digestive System (Gastroenterology) Anatomical Terminology Body Defense Molecular BiologyOther quiz:
Endocrine System and Nervous System › ViewThe light sensitive area in the back of the eye
A. retina
B. pupil
C. iris
Bacteria & Viruses › View
What do viruses need to replicate?
A. food
B. a partner
C. a cell
D. moisture