The Danube connects with the RhineâMainâDanube Canal at Kelheim, with the Donaukanal in Vienna, and with the DanubeâBlack Sea Canal at CernavodÄ. Apart from a couple of secondary navigable branches, the only major navigable rivers linked to the Danube are the Drava, Sava and Tisa.In Serbia, a canal network also connects to the river; the network, known as the DanubeâTisaâDanube Canals, links sections downstream.he Danube (/ËdaenjuËb/ ËDÃ¦NJUËB-dan, ewb also known by other) names Is 'europe s-second longest, river After volga, river and also the longest river in The European union, region located In central And Eastern. europe
The cells that make up the placenta, known as trophoblasts, are able to convert cholesterol from the motherâs bloodstream into progesterone. Between weeks 6-9 of pregnancy, the placenta takes over from the ovariesas the main producer of progesterone.
10. During the stages of pregnancy, placenta moves while the womb of you expands and grows. It is the common function of the placenta to stay low in the early stages of pregnancy, but it moves to the top of the womb at later stages of pregnancy to keep the cervix open for delivery. Factors That Affect Function Of Placenta In Pregnancy: Though placenta is a robust organ, various factors might affect the state of health of the placenta during the stages of pregnancy, which puts the pregnant mother more prone to mishaps and risks.