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The Ductus arteriosis allows the oxygenated blood to bypass the non-functioning lungs by going straight from the right ventricle to the aortic arch, instead of going through the pulmonary artery.

The Ductus Venosus allows half of the blood from the umbilical vein to be shunted to the inferior vena cava to bypass the babies liver.

And the Foramen ovale lets blood go straight from the right atrium to the left atrium, the Ductus Arteriosis is a back up for when blood gets left behind. The foramen ovale closes over at birth to form the fossa ovalis.

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Is it possible to have the same fingerprint as someone else?

No, it is highly unlikely to have the exact same fingerprint as someone else. Fingerprints are unique to each individual due to the specific ridge patterns formed during fetal development.


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No, siblings do not have similar fingerprints. Fingerprints are unique to each individual, including identical twins. The patterns and ridges that form fingerprints are determined by a combination of genetics and random factors during fetal development.


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Fingerprints and footprints are formed by the pattern of ridges and valleys on the skin's surface, which are established during fetal development. This pattern is unique to each individual and remains relatively unchanged throughout a person's life.


What are fingerprints the result of?

Fingerprints are the result of unique ridge patterns found on the tips of a person's fingers and palms, formed during fetal development. These ridge patterns are determined by a combination of genetic and environmental factors, making each individual's fingerprints distinct.


What makes each human have a different finger print?

Each person's fingerprint is unique due to the complex patterns of raised ridges and furrows formed on the skin of their fingertips during fetal development. These patterns are determined by a combination of genetic factors and random variations in the environment that are impossible to replicate identically in another individual.

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