Topics: Nervous System Quiz
How many neurons make up the brain?
A. 1 million
B. 100 million
C. 1 billion
D. 100 billion
E. 1 trillion
Select your answer:

Topics:
Renal Mutation & Genetic Engineering Heart Anatomy CNA Introduction Inherited & Acquired Traits Disease & Immunity Introduction to Pharmacology Physical and Sensory Impairment Composition of Blood and Blood Cells T Cells Transportation in Organisms Thyroid Disease Patient-Centered Endocrinology Levels of Organization Blood/Lymphatic/ImmuneOther quiz:
Anatomy And Physiology › ViewThe muscles are ____ to the skin.
A. Superficial
B. Proximal
C. Distal
D. Deep
Viruses › View
Viruses are considered nonliving because they
A. contain too much protein
B. do not have a specific shape
C. cannot be exposed to light
D. do not have ALL of the characteristics of living things