Unlike primary villi, secondary villi have ____. Tertiary villi have that and ____.

A. Cytotrophoblasts; Mesoderm
B. Capillaries; Spiral Arteries
C. Mesoderm; Capillaries
D. Syncytiotrophoblasts, Cytotrophoblasts
E. Syncytiotrophoblasts, Spiral Arteries


Answer: C. Mesoderm; Capillaries

Biology & Microbiology

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