The fetus develops toenails, lips, and eyelashes and The fetus begins rhythmic breathing movements changes takes place during the first trimester of a woman's pregnancy. Thus the correct option is B and D.
What is pregnancy?
Pregnancy is the period in which a fetus develops inside a woman's womb or uterus. Pregnancy usually lasts about 40 weeks, or just over 9 months, as measured from the last menstrual period to delivery. Health care providers refer to three segments of pregnancy is called trimesters.
The baby's brain and spinal cord will develop from the neural tube. The heart and other organs also are starting to form. Structures necessary to the formation of the eyes and ears develop. Small buds appear that will soon become arms.
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