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30 Cards in this Set
- Front
- Back
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What is Meiosis? |
Halving DNA for gene variation and to dilute promatic genes
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What is a gamete? |
A gamete is a sex cell |
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What is the endometrium? |
The endometrium is the lining of the uterus |
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When is the Follicular Phase? |
In a 28 day cycle the Follicular Phase is from days 1-14 |
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When is the Luteal Phase? |
In a 28 day cycle the Luteal Phase is from days 14-28 |
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When a woman stops her menstrual cycle at 50-60 years of age, this is called _______ |
Menopause |
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Each ovary contains around ____ eggs. |
400 000 |
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What does Amniotic fluid do? |
Protects the foetus from infection and bumps |
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An average Menstrual Cycle lasts around ____ days? |
28 days |
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Identical twins look alike because ______ |
They share the same DNA |
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How do fraturnal twins occur? |
Two eggs are fertilised by two different sperm |
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Mensturation occurs when ________ |
An egg does not implant itself in the uterine wall |
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Ovulation occurs at around day ____ of the female Menstrual Cycle |
Day 14 |
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If an egg is fertilised, the emybyo grows in the _______ |
Uterus |
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Fertilisation occurs in the _________ |
Fallopian tubes |
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The human egg is better known as _______ |
An ovum |
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In an adult male, how many sperm are produced in the tested each day? |
Hundreds of millions |
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How many chromosomes do human gametes contain? |
23 chromosomes |
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What is the cervix? |
The opening to the uterus and the strongest muscle |
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What are the fallopian tubes? |
Tubes that connect the ovaries and carry the egg |
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Mensturation is defined as _______ |
Uterine bleeding, shedding of the endometrium |
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What secretes an alkaline fluid that neutralises the acidity of the vagina? |
Prostate gland |
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______ is the empty passageway from the vaginal opening to the cervix. |
Vagina |
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The male organ for reproduction and urination is the ______ |
Penis |
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A males semen is too viscus if it is _____ |
Too thick, not enough fluid |
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________ is the male sex cell produced by the testicles |
Sperm |
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The viability of sperm refers to _____ |
The health, lifespan |
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What are hormones? |
Chemical messengers |
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Hormones are carried by ___________ |
The blood |
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Hormones tend to have relatively __________ effects |
Long lasting |
