https://peda.net/id/37ac9a54354 2020-12-03T11:23:33+02:00 https://peda.net/:static/539/peda.net.logo.bg.svg <div class="license">Tämän sivun lisenssi <a rel="license" href="https://peda.net/info">Peda.net-yleislisenssi</a></div> https://peda.net/id/37ada870354 2020-07-10T13:36:19+03:00 <ul> <li><span>Understanding fertilization, the course of pregnancy and childbirth.</span></li> </ul> <p> </p> 2020-12-03T11:23:33+02:00 https://peda.net/id/37adf5e7354 2020-07-10T13:36:37+03:00 <div class="eoppi-summary"><span class="right"><a href="https://peda.net/oppimateriaalit/e-oppi/verkkokauppa/yl%C3%A4koulu/lukuvuosi-20-21/englannin-kieliset/biology/e9i22/raskaus/tiivistelm%C3%A42/tiivistelm%C3%A4/i#top" title="ihminen_yksilon_kehitys__alkio_nobeastsofierce_shutterstock_115889128_peda.jpg"><img src="https://peda.net/oppimateriaalit/e-oppi/verkkokauppa/yl%C3%A4koulu/lukuvuosi-20-21/englannin-kieliset/biology/e9i22/raskaus/tiivistelm%C3%A42/tiivistelm%C3%A4/i:file/photo/096c1139e38ab7b81ff8c303854ceca2cc3a4a24/ihminen_yksilon_kehitys__alkio_nobeastsofierce_shutterstock_115889128_peda.jpg" alt="" title="Four-cell embryo." class="inline" loading="lazy"/></a></span> <ul> <li><span>Fertilization occurs when the nucleus of both a sperm and an egg fuse to form a diploid cell.</span></li> <li><span>Fertilization takes place in a fallopian tube.</span></li> <li>After repeated cell division, the hollow ball of cells, called blastocyst, attaches to the uterus.</li> <li>The cell cluster first develops into an embryo and by the eighth week of pregnancy into a fetus.</li> <li>During pregnancy, the fetus receives oxygen and nourishment through the placenta and e.g. carbon dioxide is taken away the same way.</li> <li>The pregnancy lasts about nine months.</li> <li>At birth, the baby begins to breathe through its own lungs and its own blood circulation begins.</li> <li>Keywords: fertilization, embryo, fetus, placenta, umbilical cord, three phases of childbirth</li> </ul> </div> 2020-12-03T11:23:33+02:00