★ Color Vision and Eye Function Quiz
What causes presbyopia?
A. Defective rods
B. Short eyeball
C. Aging and loss of lens elasticity
D. Corneal flattening
Select your answer:

Topics:
Cell Theory Medicine Clinics Nasal Polyp Obesity Health and Nutrition Composition Of Human Blood Energy, Hydrology, Microbiology Injuries in Archery Components of Blood Eye or Nose Injuries Cell Review Muscles and Movements Medical Terminology Prefixes Nervous System Functioning Skin Structure and GrowthOther quiz:
Human Reproduction › ViewIn oogenesis, when does meiosis finish?
A. Before a girl is born
B. At puberty
C. After ovulation
D. After fertilisation
Healthy Living Vocabulary › View
True or False: Diseases are ONLY caused by germs.
A. TRUE
B. FALSE