60 Questions
What is the primary function of the placenta during pregnancy?
To provide nutrients and oxygen to the embryo
How long does a typical human pregnancy last?
40 weeks
What is the term for the inability to conceive after a year of regular, unprotected intercourse?
Infertility
What is the condition caused by consuming alcohol during pregnancy?
Foetal Alcohol Syndrome
What is the tube that connects the embryo to the placenta?
Umbilical cord
What is the term for the process by which the uterus contracts to push the fetus's head into the vagina?
Labor
What is the term for diseases that can be transmitted during sexual intercourse?
Sexually Transmitted Diseases (STDs)
What is the term for the process by which the embryo develops into a fetus?
Gestation
What is the percentage of heterosexual couples affected by infertility?
10%
What is the result of the delivery of the placenta at the end of pregnancy?
Birth
What is the typical duration of the female reproductive cycle?
28-30 days
What is the process of releasing a mature egg from the ovaries?
Ovulation
What happens to the uterine lining if the egg is not fertilized?
It is shed and expelled from the body
What is the process of fertilization?
The penetration of the egg by a sperm
What happens to the sperm that penetrate the egg?
Only one sperm can penetrate the egg
What is the journey of sperm after ejaculation?
They swim through the cervix, into the uterus, and towards the oviducts
What is the result of a sperm fertilizing an egg?
The formation of a zygote
What is the process of the zygote implanting into the uterine lining?
Implantation
What is the purpose of the thickened uterine lining?
To prepare for potential implantation of a fertilized egg
What happens if the sperm does not penetrate the egg?
The egg is released from the body
What is the primary function of ovulation in the female reproductive cycle?
To release a mature egg from the ovaries for potential fertilization
What happens to the uterine lining during ovulation?
It thickens and becomes rich in blood vessels
What is the result of fertilization in the female reproductive cycle?
The formation of a zygote
What is the purpose of the sperm's journey through the female reproductive system?
To fertilize the egg and form a zygote
What is the outcome if the egg is not fertilized during ovulation?
The uterine lining is shed from the body
What is the stage of development after fertilization in the female reproductive cycle?
Embryo
Where does fertilization typically occur in the female reproductive cycle?
In the oviducts (Fallopian tubes)
What happens to the sperm that penetrate the outer membrane of the egg?
The head of the sperm enters the egg, while the tail remains outside
What is the purpose of the thickened uterine lining during ovulation?
To support the implantation of a fertilized egg
What is the outcome of the male reproductive system's role in the reproductive cycle?
The deposition of sperm into the female vagina
What is the primary role of the umbilical cord?
To facilitate the exchange of nutrients and oxygen between the embryo and placenta
During which stage of pregnancy does the embryo develop into a fetus?
Gestation
What is a possible consequence of Sexually Transmitted Diseases (STDs) on fertility?
Decreased fertility
What is the result of the mother and embryo's collaborative effort during pregnancy?
Formation of the placenta
What is the typical duration of human pregnancy?
40 weeks
What is the term for the lifelong physical, behavioral, and cognitive impairments caused by alcohol consumption during pregnancy?
Foetal Alcohol Syndrome
What is the purpose of the contractions during labor and birth?
To push the fetus's head into the vagina
What is the approximate percentage of heterosexual couples affected by infertility?
10%
What is the significance of understanding the stages of pregnancy and potential health issues?
To recognize the importance of reproductive health
What is the role of the placenta in facilitating the exchange of nutrients and oxygen?
It provides nutrients and oxygen to the embryo
What is the primary mechanism by which the embryo receives nutrients and oxygen during pregnancy?
Placental exchange of nutrients and oxygen
Which of the following is NOT a potential consequence of consuming alcohol during pregnancy?
Increased fertility
What is the primary function of the uterine contractions during labor and birth?
Pushing the fetus's head into the vagina
Which of the following is a potential health issue related to reproduction?
Foetal Alcohol Syndrome
What is the approximate duration of the gestation period?
40 weeks
What is the term for the connection between the embryo and the placenta?
Umbilical cord
What is the primary cause of infertility in heterosexual couples?
Various factors in both men and women
What is the term for diseases that can be transmitted during sexual intercourse?
Sexually transmitted diseases
What is the stage of development during which the embryo develops into a fetus?
Gestation
What is the primary outcome of the mother and embryo's collaborative effort during pregnancy?
Fetal development
What triggers the shedding of the uterine lining during the reproductive cycle?
The absence of fertilization
What is the primary function of the oviducts during the reproductive cycle?
To facilitate the fertilization of the egg
What is the result of the thickened uterine lining if the egg is fertilized?
It provides a site for implantation
How do the sperm travel through the female reproductive system?
They swim through the cervix and uterus
What is the purpose of the uterine lining during the reproductive cycle?
To prepare for potential implantation of a fertilized egg
What prevents additional sperm from entering the egg after fertilization?
The surface change of the egg
What is the stage of development after fertilization in the female reproductive cycle?
Embryogenesis
What is the result of the fertilization process in the female reproductive cycle?
The formation of a zygote
Where does the fertilization of the egg typically occur?
In the oviduct
What is the primary function of ovulation in the female reproductive cycle?
To release a mature egg from the ovaries
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