Yes goats do eat some weeds but the nutritional value of many weeds is very high. My studies of the nutritional value of thistles and blackberries (Table 1), for example, have shown that the nutritional value of these weeds can be as high or higher than the nutritional value of pasture.
The function of the umbilical vein is to deliver oxygenated blood from the placenta to the fetus. From the placenta, the umbilical vein courses through the liver via th â¦ e ductus venosus (fetal shunt), connecting then to the inferior vena cava. 11 people found this useful.
One of the arteries is missing. Babies with single umbilical artery are at a higher risk for birth defects, including defects of the heart and central nervous system. The cause of single umbilical cord artery is unknown; however, an ultrasound should be able to diagnose the condition.nots in the umbilical cord most commonly occur in multiple pregnancy and when the umbilical cord is too long. There is often little harm to the baby. However, if the knots tighten they can cut off the oxygen supply.