Show:
Inside The Body
Sperm's Journey
Egg's Adventure
Embryo's Life
Fetus
100
A molecule that carries out our genes, keeps us alive, and the chemical outline for building our bodies.
What is DNA?
100
The sperm's first obstacle, occasionally locked shut plugged with mucous that keeps unexpected guests out.
What is the cervix?
100
The zona locks out all unwanted sperm and expelling half of its chromosomes into this tiny pouch.
What is "polar body"?
100
After three weeks of fertilization this main organ is slowly developing.
What is the brain?
100
This is forming to help build reserves in the baby so it rely on it after birth.
What is fat?
200
Most cells carry 46 of these;23 from your mom and 23 from your dad to create a new gene.
What is a chromosome?
200
The uterine muscles propel the sperm forward into this.
What is the fallopian tube?
200
This is released for the bundle of cells to break through the zona.
What is an enzyme?
200
A three week old embryo, less than tenth of an inch. This also known as the nervous system begin to develop.
What is the neural tube?
200
This is a fatty substance which wraps around long connections between the brain cells.
What is "myelin"?
300
Love is in the air and the body temperature rises, skin sweats, and heartbeat increases as the brain tells this to speed up.
What is metabolism of glucose?
300
As the sperm finally reaches the egg it must break through this: a thick protein shell that is the outer core of the egg.
What is the "zona"?
300
The first 24 hours the fertilized egg's cells are dividing creating the blocks to build this.
What is an embryo?
300
This is the protein that makes up your skin, bone, and tendons.
What is collagen?
300
An ape's is this times smaller than a human's brain.
What is 4?
400
Women create several of these while being a fetus and lose them as they age.
What are eggs?
400
A hole is created by this to break the zona so the sperm can escape.
What is powerful enzymes?
400
When cells start to organize themselves into a embryo this process occurs.
What is "gastrulation"?
400
Before knowing that the embryo is a boy or girl there are two of these in the embryo.
What is gonads?
400
Sometimes the opening for the baby isn't large enough and this may happen. Doctors may have to cut across the abdomen to access the baby.
What is caesarian section?
500
Eggs have everything they need to start a new life except for DNA coming from this
What is sperm?
500
As the egg draws the entire contents of the sperm inside, this of the two cells fuse together.
What is a membrane?
500
This could be attacked by the mother's immune system and act as a foreign invader.
What is blastocyst?
500
After 2 months of fertilization the embryo now becomes this.
What is fetus?
500
During the last trimester the fetus's main job is this.
What is growing?