The adult human brain contains almost ________ of the body's neural tissue
A) 15 percent
B) 25 percent
C) 68 percent
D) 97 percent
E) 100 percent
Answer: D
Anatomy & Physiology
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Which of the following represents the largest and most complex level of structural organization in the human body?
a) chemical level b) cellular level c) tissue level d) organ level e) organismal level
Anatomy & Physiology
The target tissue for melatonin is the ________.
A. anterior pituitary B. gonads C. liver D. posterior pituitary E. hypothalamus
Anatomy & Physiology
The movement of molecules against their concentration gradient is called ________.
A. facilitated diffusion B. active transport C. diffusion D. endocytosis E. osmosis
Anatomy & Physiology
Which of the following is not a major muscle of the head?
a. Orbicularis oculi. b. Zygomaticus. c. Semimembranosus. d. Masseter.
Anatomy & Physiology