Select your answer:
Topics:
Cardiorespiratory System Obesity CP A&P: Cardiovascular Physio Intro Practice Functional Neuroanatomy of the CNS Pathology Inflammation Skin Structure Biochemistry Vocabulary Blood Cells Ear/Eye Medical Terms Neuron Structure Body Defense Immunology and Serology Ecology & Organisms Auditory and Vestibular NeurologyOther quiz:
Skeletal System › ViewDense, extremely hard bone is known as…
A. Regular Bone
B. Spongy Bone
C. Compact Bone
Integumentary and Musculoskeletal Systems › View
What is the substance within the epidermis which shields us from the harmful ultraviolet (UV) rays?
A. melanocytes
B. keratin
C. melanin
D. sebum