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.
Like placenta previa, placental abruption is a pregnancy complication that affects your placenta. It causes your placenta to detach from your uterus before labor and delivery. Typically, the placenta detaches after your baby is delivered.Sometimes though, the placenta begins to peel away from the uterus early.hough you may not think much about it, your placenta is a very important part of your pregnancy. Your placenta is actually an organ, which helps to deliver nutrients, blood, and oxygen to your baby.