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Chemistry

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Sperm   is the Male sex cells  
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Ova   organ in which female gametes develop prior to fertilization  
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Gonads   an organ that produces gametes, a testis or ovary.  
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Gametes   Specialized cell involved in sexual reproduction  
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Testes   sperm cells begin their development in a pair of organs  
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Ovaries   are shaped like, and are about twice the size of, an almond; organs in which egg cells are produced  
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Testosterone   Male secondary sex hormone  
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Estrogen   Female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics  
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Progesterone   Hormone secreted by the female reproductive system that functions mainly to regulate the condition of the inner lining(endometrium) of the uterus  
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Fertilization   occurs when the egg and sperm cells fuse  
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Zygote   diploid cell formed when the nucleus of a haploid sperm cell fuses with the nucleus of a haploid egg cell  
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Menopause   is a normal condition that all women experience as they age.  
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Fallopian tube/Oviduct   Fallopian tube or Oviduct are, the female structures that transport the ova from the ovary to the uterus each month  
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Uterus   Organ of the female reproduction system in which a fertilized egg can develop  
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Implantation   is the attachment of the fertilized egg or blastocyst to the wall of the uterus at the start of pregnancy, often delayed in some mammals by several months.  
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Placenta   develops inside the uterus and surrounds the embryo  
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Ovulation   process by which an egg is released from the ovary and becomes available for fertilization  
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Embryo   beginning of cleavage until the first body structures begin to appear, the developing organism  
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Semen   fluids, along with sperm cells  
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Differentiation   The process by which a less specialized cell develops or matures to become more distinct in form and function  
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