Monday, August 21, 2017

THE EMBRYO DEVELOPS INTO A FETUS Once it has begun to divide the fertilized egg is called a ZYGOTE. As the zygote divides, it moves along the...

I will complete the blanks in order as stated in your paragraph. The answers will be in bold print. I believe your question is based on the film, "The Miracle of Life" by the program Nova.


As the zygote divides it moves along to the uterus or womb, as it sometimes referred to. This is where an embryo will develop in a human female.


Leg buds appear, and the embryo is less than 1/2 inch...

I will complete the blanks in order as stated in your paragraph. The answers will be in bold print. I believe your question is based on the film, "The Miracle of Life" by the program Nova.


As the zygote divides it moves along to the uterus or womb, as it sometimes referred to. This is where an embryo will develop in a human female.


Leg buds appear, and the embryo is less than 1/2 inch long.  It floats inside the fluid -filled amniotic sac and its spine is clearly visible. These events occur at around 6 weeks.


At seven weeks, the embryo is 3/4 inches long and can move its hands with defined fingers that are visible. It internal organs are visible. One can see the internal organs because the skin is see-through at this stage.


The toe joints of the feet are seen. This stage can be observed at 8 weeks after fertilization.


The umbilical cord is the fetus' link to its lifeline which is its mother's placenta. The placenta is a specialized organ which supplies the fetus with food, oxygen and antibodies and removes excretory wastes.


For the last blank, another 8 weeks are necessary for the fetus to be able to survive outside its mother's womb. The last part of the pregnancy is the time for the organs to continue growing and developing so that survival in the fetus will become more possible.

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