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Home Q & A Board Biology-Related Homework Help General Biology
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lacerna92 lacerna92
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6 years ago
Which of the following diffuses in greater amounts
  from the fetal blood to the mothers blood?
  a. oxygen
  b. urea
  c. hormones
  d. antibodies
  e. nutrients

Question 2

The placenta
  a. forms from endometrial and extraembryonic
  tissues.
  b. will cover about one-fourth of the inner uterine
  surface at full term.
  c. does not normally intermingle fetal blood with
  maternal blood.
  d. secretes progesterone and estrogens that
  maintain the uterine lining during the second and
  third trimesters.
  e. does all of these.
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amiraamira
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6 years ago
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lacerna92 Author
wrote...
#2
6 years ago
Cheers!!
wrote...
#3
6 years ago
Cheers too Thumbs Up Sign
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