The key to a healthy vegetarian diet is variety. Just as your parents should be concerned if you only eat. hamburgers, they should also worry if you only eat potato. chips and salad. A healthy and varied vegetarian diet includes vegetables, fruits, plenty of leafy greens, whole grain products, nuts, seeds, and legumes. Some vegetarians choose to eat dairy. products and/or eggs, while vegans do not eat these foods. Teenage vegetarians have nutritional requirements that. are the same as other teens.
During prenatal development, the umbilical cord is physiologically and genetically part of the fetus and, (in humans), normally contains two arteries (the umbilical arteries) and one vein (the umbilical vein), buried within Wharton's jelly.
Let's start with the basics of the umbilical cord. The umbilical cord is the connection between your baby and the placenta. A normal umbilical cord has two arteries and one vein, this is known as a three vessel cord. It is covered by a thick gelatinous substance known as Wharton's Jelly. The vein brings in oxygen and nutrients to the baby from the mother.