In a reflex arc, ________ neurons pass out of the central nervous system to stimulate effectors.
Fill in the blank(s) with the appropriate word(s).
motor
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The trigone is so named because of the shape of the urinary bladder
Indicate whether the statement is true or false
An individual who is heterozygous for a particular trait, yet expresses both alleles of that trait, is an example of ________
A) dominance B) incomplete dominance C) recessive inheritance D) sex-linked inheritance
Which of the following contraceptive strategies will least likely result in an unwanted pregnancy?
A) tubal ligation B) condom C) intra-uterine device D) diaphragm E) vasectomy
Chemicals that signal the same cell that made them are called ________ messengers, while those that signal nearby cells are called_____ messengers.
A. paracrine; endocrine B. autocrine; paracrine C. endocrine; pheromone D. allomone; autocrine E. pheromone; prostaglandin