The placenta is the organ responsible for passing materials between the mother and developing embryo during pregnancy. It acts as a barrier to protect the fetus from infections and helps in the exchange of oxygen, nutrients, and waste products between the mother and the developing baby.
A developing baby gets its food and oxygen from the mother through the placenta. The placenta is an organ that develops during pregnancy and connects the baby's bloodstream to the mother's bloodstream, allowing for the exchange of nutrients and oxygen.
The tissue that provides food and oxygen for an embryo is called the placenta. It is a temporary organ that forms during pregnancy and connects the developing fetus to the uterine wall to exchange nutrients, oxygen, and waste products between the mother and the developing baby.
Genetic Material (DNA).
The placenta is the organ that nourishes the embryo during pregnancy. It is formed from the tissues of both the mother and the developing fetus and allows for the exchange of nutrients and waste products between the mother and the baby.
The umbilical cord is the life line between the placenta and the embryo, connecting the developing fetus to the placenta for the exchange of nutrients, oxygen, and waste products. It is essential for the baby's growth and development during pregnancy.
After ontogeny there is maturity.
Smoking marijuana during pregnancy will increase the child's risk for developing a drug problem later in life as well as decreasing the child's motivation to succeed in life.
Crossing-over
crossing over
The spandex lycra material panties seem to be the most comfortable and yet still sexy to wear during pregnancy.
In most mammalian species, the placenta is the structure that supplies food to the developing embryo. The placenta forms during pregnancy and allows for the exchange of nutrients, oxygen, and waste products between the mother and the developing fetus. This structure is essential for supporting the growth and development of the embryo throughout pregnancy.