Males produce new sperm throughout their life
Females produce new eggs throughout their life
Fertilization occurs when the genetic material from an egg and sperm combine
Many spermatozoids can fertilize a single egg
Organs
where eggs are produced. Tubules that act as a nursery for sperm. Organ where a foetus develops. Organ through which sperm leave the body
Testicles Fallopian Scrotum Ova Vagina
tubes
ď‚žUse
the list of events below and match the events with the trimester in which they occur.
Body systems complete development Sperm and egg unite Fetus is about 11 inches long Limb buds form Fetus increases dramatically in size and weight Fetus has a tail Pregnant woman experiences “morning sickness” Birth occurs Head bulge forms Fetus becomes active Fetus is about 20 inches long Heartbeat can be heard with a stethoscope Gender can be determined with a sonogram Pregnant woman may find movement difficult Fetus is about three inches long Placenta forms
Sperm and egg unite Limb buds form Fetus has a tail Pregnant woman experiences “morning sickness” Head bulge forms Fetus is about three inches long Placenta forms
Foetus becomes active Heartbeat can be heard with a stethoscope Gender can be determined with a sonogram
Body systems complete development Foetus increases dramatically in size and weight Pregnant woman may find movement difficult Birth occurs
Rhythm method Basal temperature Mucus of the uterine neck Male/female condom Diaphragm IUD (intrauterine device) Spermicide Contraceptive pill Tubal ligation Vasectomy
It is a surgical procedure for sterilization in which a woman's fallopian tubes are blocked. It prevents eggs from reaching the uterus for fertilization. It is a barrier device and it physically blocks semen from entering the body of a sexual partner. It es a method of estimating a woman's likelihood of fertility, based on a record of the length of previous menstrual cycles
It is a form of birth control in which a small 'T'-shaped device, containing either copper orbprogesterone, is inserted into the uterus. It consists of observing the changes in a woman to know the moment in which she is ovulating. It is a soft latex or silicone dome with a spring molded into the rim. The spring creates a seal against the walls of the vagina.
It is a surgical procedure performed on males in which the vas deferens are interrupted. ď‚ž It is a pill containing estrogen and progestin to inhibit ovulation and so prevent conception ď‚ž It is an agent that kills spermatozoa, especially one used as a contraceptive. ď‚ž