Select your answer:
Topics:
Foot Orthosis Vocab Branches of Medicine Circulatory System - Pathway of Blood Corona Lipids Biochemistry Vocabulary Excretory and Musculoskeletal System Nervous System and Special Senses Health-Wellness-Illness Microbes and Infectious Disease Who am Eye? Weight Management Circulatory & Respiratory System Restrictive Respiratory Disorders Anatomy & Physiology: RespiratoryOther quiz:
Nervous / Sensory System › ViewThe optic nerve has a covering that helps protect and insulate it called the
A. muscle fiber
B. fat layer
C. myelin sheath
D. trash bag
Musculoskeletal System › View
Smooth muscle and cardiac muscle are considered _____ muscles because we can’t control them.
A. Involuntary
B. Voluntary
C. none of the above