The structure that allows blood to bypass a fetus inmmature liver is called ductus venosus.
foramen ovale
The Placenta
Ductus venosus
in a fetus blood does not reach the lungs for purification. In a baby blood goes to the lungs for oxygenation.
An valvular hole in the interatrial septum called the foramen ovale.
The lungs of the mother breath in the air. The lungs put the oxygen in the red blood cells. The blood flows through the walls of the uterus and through the umbilical cord into the blood stream of the fetus. The venus blood supply returns through a vein in the cord back into the mother and the lungs and the cycle repeats until the cord is cut.
The structure that pushes the fetus out of the mother is called the uterus.
in a fetus blood does not reach the lungs for purification. In a baby blood goes to the lungs for oxygenation.
in a fetus blood does not reach the lungs for purification. In a baby blood goes to the lungs for oxygenation.
It is the underdevelopment of the lungs in a fetus
lungs
They need air to operate properly, the fetus develops in fluid until born. The lungs first work shortly after the baby is born.
a fetus doesnt require much oxygen in the lungs as it isn't in the air and isn't being breathed in. a fetus aquires oxygen through other processes
the placenta
The Placenta