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irina [24]
3 years ago
5

9. a) List four things that form or begin during the first trimester of pregnancy. (1 point)

Biology
2 answers:
White raven [17]3 years ago
6 0

Answer: fertIlization, morning sickness, slight body changes, period stops

Explanation:

serg [7]3 years ago
6 0

Answer:

The baby’s heart, spinal cord, skin, and red blood cells all begin to form during the first trimester of pregnancy.

Explanation:

Hope this helps! Have a nice day :)

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