Topics: Properties of the Hair Quiz
The major elements that make up human hair are carbon, oxygen, hydrogen and _______
A. lead and zinc
B. keratin and selenium
C. boran and calcium
D. nitrogen and sulfer
Select your answer:

Topics:
Aerobic- Cardio Respiratory Endurance Medical Nursing All About Bacteria Essential Nutrients Autoimmune Disease Human Digestive System Blood Formation and Clotting Macromolecules & Enzymes Components of Physical Fitness Medical Microbiology Biological Organisms Classification Leaves Parts of the Body Skin Growth Muscle SystemOther quiz:
Auditory and Vestibular Neurology › Viewdetect linear acceleration in vertical (saccule) and horizontal (utricle) planes
A. semicircular canals
B. otolith organs
C. vestibular hair cells
D. ampulla
Head and Neck Anatomy › View
Which cranial nerve innervates all muscles of mastication?
A. hypoglossal
B. mandibular division of the fifth cranial nerve
C. glossopharyngeal
D. styloglossus