Select your answer:

Topics:
Musculoskeletal System Nutrition - Digestive System Lymphatic System Mutations, Replication, and Cancer CLPT, M.Pharmacy, Pharmaceutics; Regulatory Affairs Hormones History of Medicine Antibiotic in Orthopaedics Mutations Dermatosis Pulse Thrombosis, Emboliya Agents of Disease Vision and Hearing Defects Anatomy Respiratory SystemOther quiz:
Skin Growth › ViewThe coloring in the skin; found in the epidermis.
A. Melanin
B. Oil
C. Perspiration
D. Pores
The Human Eye › View
Which part of the eye opens in dark places and closes in bright places?
A. Cornea
B. Retina
C. Pupil
D. Lens