★ Integumentary and Musculoskeletal Systems Quiz
What is the substance within the epidermis which shields us from the harmful ultraviolet (UV) rays?
A. melanocytes
B. keratin
C. melanin
D. sebum
Select your answer:
Topics:
Fitness Circulatory, Artery, Vein - basics Dermis Vitamins and Minerals Integumentary System Major Organs Nervous System and Special Senses Cell Transport Pediatric Cardiology Parts of Human Body Aseptic Technique & Sterile Comp Review Urinary System, Fluid, Electrolyte and ph Balance Anatomy - Cellular Respiration HFT Vitamins Humanistic and Biological PsychologyOther quiz:
Cells › ViewWhich scientist is known for inventing the microscope in 1590?
A. Zacharias Janssen
B. Robert Hooke
C. Mathias Schleiden
D. Rudolph Virchow
Anatomy Respiratory System › View
The part of the respiratory system containing the larynx, trachea, bronchi, and lungs.
A. Lower Respiratory Tract
B. Aspirate
C. Surfactant
D. Upper respiratory tract