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Home Q & A Board Biology-Related Homework Help General Biology
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krystian krystian
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6 years ago
Which of the following does NOT occur in the first trimester?
  a. formation of a heart
  b. disappearance of the tail
  c. formation of internal organs
  d. detection of movement of the fetus
  e. segmentation and development of somites

Question 2

Nutrient-rich blood flows from the placenta to the fetus via the
  a. ductus arteriosus.
  b. fossa ovalis.
  c. ductus venosus.
  d. foramen ovale.
  e. allantois.
Textbook 
Human Biology

Human Biology


Edition: 10th
Authors:
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Roshni411Roshni411
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6 years ago
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krystian Author
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#2
6 years ago
I know you spent a lot of time finding this because I swear it wasn't in my textbook
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#3
6 years ago
You're partially right, it's found midway in the chapter, but not at all easy to find. Good luck with the rest
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