Respiratory system, because the lungs and diaphragm would get the oxygen from the air, and transfer them to the circulatory system (that's a pretty basic explanation, there's much more to it)
Answer:
4 km
Explanation:
There are 1.60934 km in a mile
2.5 m * 1.60934 km = 4 km
Their child can not have a widow's peak, seeing as widow's peak is a dominant trait. They need two recessive alleles to have a straight hairline, meaning none can be inherited by the child.
Hope this helps.
Occurs naturally on earth
