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.
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
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.