________ are released from the ovaries into the oviducts.
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tail
The structure in a sperm cell which beats to propel the sperm towards the egg.
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male sex
The fluids from the ________ glands that make up semen provide nutrients and protection for the sperms, as well as a medium for them to swim in.
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Progesterone
maintains the endometrium by causing it to become thicker.
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smooth muscles
The ________ in the uterine wall contract to expel the fetus during birth.
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placenta
provides nutrients (glucose, amino acids and mineral salts) and oxygen for the embryo.
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Cilia
Lined in the inner lining help move the ovum to the uterus.
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sexual intercourse
The process during which semen containing sperms is deposited into the vagina of a woman.
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sperm
The male gamete, which consists of a head, middle piece and tail.
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Semen
a composition of sperm and fluids from the sex glands containing nutrients and enzymes which nourish and activate the sperm, allowing them to swim actively.
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birth canal
It forms the ________ through which the baby is born.
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Immune Deficiency Syndrome
Acquired ________ (AIDS) is a disease that can be spread through sexual intercourse.
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scrotum
The pouch like bag which holds the two testes out of the body.
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Spread of HIV
________ can be prevented by: (a) Having protected sexual intercourse.
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ovum
The female gamete, which is a large cell containing abundant cytoplasm.
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endometrium
The ________ breaks down and flows out of the body.
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28
The menstrual cycle normal span time (days)
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endometrium
The tissue in females richly supplied with blood vessels and is the site of implantation of the embryo post-fertilisation.
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Human Immunodeficiency Virus
It is caused by a virus called ________ (HIV)
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uterus
a thick muscular organ in females that can stretch as the fetus increases in size during pregnancy.
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large nucleus
It has a(n) ________ containing a haploid set of chromosomes.
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seminal vesicles
a pair of glands in males that secrete a fluid that makes up a proportion of semen.
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Prostrate gland
a large gland in males which secretes directly into the urethra through several small ducts.
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Oviduct
a narrow muscular tube leading from the ovary to the uterus.
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Zygote
Fertilized ovum
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Embryo
Hollow ball of cells
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AIDS
The disease which shows the symptoms: Persistent fever, sweat, swollen glands, chills, weakness and weight loss
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Flashcard (28)