The _____ of an embryo differentiates into the muscles, skeleton, connective tissues, and circulatory and reproductive systems.
A. ectoderm
B. periderm
C. endoderm
D. mesoderm
Answer: D
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The ____ spot is thought to be an area of the vagina that, when stimulated, produces powerful orgasms and female ejaculation
a. X- c. O- b. V- d. G-
Happy relationships are based on deep ____, affection, mutual respect, and caring for one's partner
a. attraction c. desire b. confidence d. friendship
It is not uncommon for someone with a paraphilia to also have another disorder such as ____
a. autism spectrum disorder c. attention deficit hyperactivity disorder b. dissociative disorder d. Tourette's syndrome
Cross-cultural research on flirting has identified one particular behavior that does not appear to occur very often among U.S. populations. Which one?
a) Touch b)Smiling c) Eye contact d) Eyebrow flash