I think about 2-3 days after a kitten is born. soo ya
Wiki User
∙ 12y agoNo they hatch from eggs
no
Monkeys typically chew or tear their umbilical cords after giving birth. This behavior is instinctual and helps the mother monkey detach the newborn safely from the placenta.
Umbilical cords have two arteries and a vein inside them. These are surrounded by a material called Wharton's Jelly and a protective membrane known as the amnion.
Embryonic stem cells come from umbilical cords in small quantities, which are harvested by collecting cord blood.
They are placental mammals.
No
Two umbilical cords, two placentas, two bags of water, two of everything! That is unless they are conjoined twins.
Fetuses receive nutrients from their mothers through the placenta, which forms a connection between the mother's bloodstream and the fetus. The mother's blood carries oxygen and nutrients, such as glucose and amino acids, which are then transferred across the placenta to the fetus. Waste products from the fetus, like carbon dioxide, are also removed through the placenta into the mother's bloodstream for excretion.
Male adults doesn't have umbilical cords. They are cut off from the placenta when they are born.
An umbilical cord is typically around 40-60 centimeters long at birth. It connects the developing fetus to the placenta and is responsible for the exchange of nutrients, oxygen, and waste products between the fetus and the mother.
If you would like to learn some more facts about umbilical cords a great place to check is the Brewer Diet. I highly recommend it as it has come in handy many times.