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Reproduction
Chapter 9
Question | Answer |
---|---|
Female cell | egg |
male cell | sperm |
male and female cells are called | gametes |
when the male and female gametes join together this is called | fertilisation |
the first cell of a new individual is called | a zygote |
sperm and testosterone are produced in the | Testis |
the scrotum | Holds the testis |
the sperm duct carries | sperm from the testis to the penis |
Urethra | tube which exits from the bladder through the penis |
prostrate gland and seminal vesicles | make seminal fluid |
Testosterone is a hormone , it controls | male characteristics such as deepening of the voice |
the ovary produces | eggs |
the oviduct is also called | the fallopian tube |
the uterus is also called | the womb |
the vagina | holds the penis during intercourse |
the cervix is | the entrance to the womb |
oestrogen controls | female characteristics such as widening of the hips |
the menstrual cycle is | 28 days long |
the function of the menstrual cycle is to | allow the egg in the ovary to mature |
having a period is also called | menstruation, this lasts for about 5 days |
ovulation is | the release of the egg from the ovary , day 14 |
the fertile period is | the days before and after day 14 when pregnancy can occur |
sperm and seminal fluid are called | semen |
when semen are released this is called | ejaculation |
when a sperm and egg join a | zygote is formed |
the zygote develops into | the embryo |
when the embryo embeds in the lining of the womb this is called | implantation |
after seven weeks the embryo is then called a | foetus |
the fluid surrounding the foetus is called | amniotic fluid |
exchange of gases between mother and baby occurs through the | placenta |
the baby is connected to the placenta by | the umbilical cord |
the 3 stages of birth are | labour, birth and removal of the placenta |
breast milk contains | antibodies |
natural contraception | involves being familiar with the menstrual cycle so as the time of ovulation may be identified |
methods of artificial contraception include | using a condom, a diaphragm, the pill or the bar |
IVF stands for | in Vitro Fertilisation |
HRT stands for | Hormone replacement therapy |