websterc170 websterc170
  • 23-06-2021
  • Health
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14. Which of the following occurs during the second trimester?
The embryo's head and brain begin to form.
The fetus's hair and fingernails first begin to grow.
The fetus's respiratory system prepares to breath air.
The zygote attaches to the wall of the uterus.

Respuesta :

pllqueen
pllqueen pllqueen
  • 23-06-2021

Answer:

B

Explanation:

I think but I am unsure.

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