Sperm use ________ for movement.

A. microvilli
B. cilia
C. flagella
D. microfilaments


Answer: C

Anatomy & Physiology

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The pineal gland secretes the hormone

a. melatonin. b. melanin. c. melanocyte stimulating hormone. d. estradiol. e. melanopsin.

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 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