Hormones are a. the same in male and female embryos until ...

[Shelles]

Hormones are
 
  a. the same in male and female embryos until after 28 weeks.
  b. not a factor in prenatal development.
  c. chemical substances released into the bloodstream by the endocrine glands.
  d. all of these.

Question 2

The _____ is made up of _____ and is responsible for most complex mental activities.
 
  a. frontal lobe; neurons c. cerebrum; cerebral hemispheres.
  b. cerebral hemisphere; frontal lobes d. cerebrum; frontal lobes

[Sassygurl126]

Answer to Question 1

C

Answer to Question 2

C

[Shelles]

Thank you!

[Sassygurl126]

Happy to help