Sperm use ________ for movement.
A. microvilli
B. cilia
C. flagella
D. microfilaments
Answer: C
Anatomy & Physiology
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The tapered end of the spinal cord is the conus medullaris.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
Recruitment of different types of motor units in a muscle is one means of varying the amount of tension generated in that muscle.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
Because numerous cutaneous and visceral sensory neurons conduct signals on _______ ascending tracts of the spinal cord, the brain sometimes falsely localizes the location of a pain stimulus
A. the same B. very different
Anatomy & Physiology
The pineal gland secretes the hormone
a. melatonin. b. melanin. c. melanocyte stimulating hormone. d. estradiol. e. melanopsin.
Anatomy & Physiology