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It will develop walking.
The fetus' heart beats eighteen days after conception.
The eyelashes of a fetus develop around week 22 of pregnancy.
A female fetus with an a y chromosome is what makes it develop differently from a male fetus.
The female fetus has a Y chromosome while the fetus only has two x chromosome.
The Gonads
lungs
The Heart.
The clavicles and the cranial bones of the skull develop from a fibrous membrane. This process is known as intramembranous ossification.
Chordomas develop on the skull or spinal cord.
This is actually a hard question Unless you red blood cells do not develop right you will not be able to develop your skull if you have some type of injury. A skull fraction will be an example.
UterusD