Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| How is the embryo protected | The placenta acts as a filter and prevents some harmful substances and germs from entering the embryo
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| What surrounds the embryo | A sac called the amnion
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| What Is the function of the amniotoc fluid | To protect the baby,sterilized and lubricate the birth canal and helps keep the body warm
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| Indentify two materials that pass from mother to foetus and two that pass from foetus to mother | Oxygen,food,carbon dioxide and wastes
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| Name two structures that make up the afterbirth | Placenta and umbilical cord
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| Explain how identical and fraternal twins are form | Fraternal twins arise if two eggs are shed from the ovaries at the same time and both fertilized.identical twins arise when a single egg is shed from one of the ovaries and fertilized in the usual way then spilts into two cells,each of which develops into
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| How old is a boy when he starts to make sperm | 11 or16 years old
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| What is the harmone that causes boys to grow chest hair | Testosterone
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| At what age does a girl start to see her period | 10 or15 years old
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| What is the name of the harmone that causes girls breast to develop | Estrogen
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| Where is ova and sperm made | Ova is made in the ovary and sperm is made in the testes
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| What is fertilization | Fertilization is the joining of a male sex cell,a sperm,with a female sex cell,an ovum,to form a new cell
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| What is the next term for a fertilized egg | Zygote
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| What cause a penis to become erect | When blood has filled the spaces in erectile tissue
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| What is pregnancy | The development of the fertilized egg into a new baby
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| What is implantation | The sinking of the fertilized egg into the lining of the of the womb
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| When does pregnancy begins | When the ball of cells implants itself
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| How long does it take for a fertilized egg to be implanted | One or more hours
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| What is the menstrual | The time between one period and the next is the menstual cycle
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| How long does each menstrual cycle usually take | 28 days
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| What happens during a menstrual period | The lining of the uterus breaks apart.as menstruation begins an egg starts to mature in the ovary
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| What happens 14 days after the start of the period | A mature egg is released from the ovary
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| What is the release of a mature ovum called |
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| What harmonies does the ovary produce | Estrogen and progesterone
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| What is the difference between the embryo and the fetuos | The embryo is an unborn offspring in the process of development and the fetus is the start of an developing of pregnancy till delivery
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Leann007
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