There are also a number of features that vary between continents like that that have to do with how we metabolize food that we ingest, or that have to do with how our immune systems deal with microbes that try to invade our bodies.
他にも多くの異なった特徴が 大陸間では見られ それらは食べ物の消化の方法の違いや 我々の体内に侵入しようとする 微生物に対する免疫の働きの 違いに関係しています