Informative Speech
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Topic:
Fetal Development
General Purpose:
To Inform
Specific Purpose:
At the end of my speech, the audience will be able to identify the development of the Embryo and Fetus.
Central Idea:
How the fetus is developed from the first trimester to the third trimester.
Introduction:
thirty hours after conception.
Did you know?
Pregnancy is counted from the first day of the mothers last period. This means that at conception, when a single sperm penetrates the mothers egg cell, and the resulting cell is a zygote, the unborn child is already considered two weeks.
1. Major Idea:
First Trimester is the 0 to 12th week (3 months) of pregnancy
A. Supporting Idea:
Week 0 Ð- 12
The fertilization of the egg cell and the development of the embryo. The egg cell
is fertilized by the sperm and is now in the fallopian tube. A unique human being
is now formed, forty-six chromosomes combine which will determine all of the
physical characteristics. By the 3rd week the embryo is called a blastocyst. It
implants itself in to the mothers uterus. The unborn child is rapidly developing.
The spinal column, and nervous system are forming. The kidneys, liver, and
intestines are taking shape. The 4th week the embryo produces hormones which
stop the mothers menstrual cycle. By the 5th week the heart has start beating the
neural tube divides into three parts to form a brain. The 7th week the facial
features are visible, the major muscle system is developed, the child has its own
blood type, and the child can move around. By the 8th week the child is called a
fetus. Between the 10th and 12th week, the heart is completely developed, vocal
chords are complete, the brain is fully formed , the fetus can feel pain , it can and
sometimes does cry.
2. Major idea:
Second Trimester, the 13th to 28th week (4-6 Months
B. Supporting Idea:
Week 13 to 28
Muscles lengthen and become organized. The mother will soon start feeling the
first flutters of the unborn child kicking and moving within. The fetus has an
adults taste buds and may be able to savor the mothers