The major regions of a hair shaft include all of the following except ________.
A) medulla
B) cortex
C) external root sheath
D) cuticle
C) external root sheath
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A pair of ligaments covered by laryngeal epithelium that function in sound production are the
A) intrinsic ligaments. B) extrinsic ligaments. C) ventricular folds. D) vocal folds. E) intrinsic laryngeal muscles.
Effector cells that respond to acetylcholine released from postganglionic neurons have
A. muscarinic receptors. B. adrenergic receptors. C. nicotinic receptors. D. macrotinic receptors. E. somatotrophic receptors.
A subcellular structure built of assemblies of macromolecules that carries out a
particular function is a(n) _____________. Fill in the blank(s) with correct word
The epididymis is a _____ and it _____
A) stage of spermatogenesis; forms two sperm cells and semen B) tightly coiled tube on the outside of the testis; is the location for sperm maturation C) compartment inside a testis; secretes testosterone and forms sperm D) compartment that contains seminiferous tubules; ejaculates sperm