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Home Q & A Board Biology-Related Homework Help General Biology
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karan98agarwal karan98agarwal
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6 years ago
The urinary system develops primarily from
  a. ectoderm.
  b. mesoderm.
  c. endoderm.
  d. the placenta.
  e. the gray crescent.

Question 2

The heart, muscles, bones, and blood develop primarily from
  a. ectoderm.
  b. mesoderm.
  c. endoderm.
  d. the placenta.
  e. the gray crescent.
Textbook 
Human Biology

Human Biology


Edition: 10th
Authors:
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thatguythatguy
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6 years ago
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karan98agarwal Author
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6 years ago
this is exactly what I needed
jcarter
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Yesterday
Thanks for your help!!
einstein
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2 hours ago
This site is awesome
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