At first, it only has 1 chamber. Then, as the development progresses, it goes to 2, then to 3, and finally, to 4.
In plants embryo develops in new seedling and in animals it develops into feotus which later develops into baby
The uterus is where the fetus develops and the placenta connects the uterus to the fetus.
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It develops as the embryo develops into a fetus, since you are born with these defenses.
A heart develops in a fetus through a process called cardiogenesis, which begins around the third week of gestation. Initially, two heart tubes form and eventually fuse to create a single heart tube. This tube undergoes complex folding and division, leading to the formation of the four chambers of the heart and the establishment of major blood vessels. By the end of the eighth week, the heart is structurally complete and begins to function, circulating blood throughout the developing fetus.
fetus develops by the uterus not the vagina vagina is near the cervix which is the exit of the females body. so meaning fetus is developed by fertilization of the uterus then exits out the cervix and valgina
Before the fetal stage is the embryonic stage. The embryo develops into the fetus.
The fetus' heart beats eighteen days after conception.
Amniotic Fluid
A Foetus is formed by the growth and development of an embryo.
Fetus
sac in which the fetus develops in amniotes