Figure 5From: Relationship between seasonal cold acclimatization and mtDNA haplogroup in JapaneseRectal temperature and oxygen consumption. Rectal temperature and oxygen consumption during cold exposure in summer D (●; n = 7), summer non-D (○; n = 8), winter D (■; n = 7), and winter non-D (□; n = 8) groups. Similar results were seen in the summer and winter D groups and the winter non-D group. Only in the summer non-D group did metabolism increase as rectal temperature dropped, but rectal temperature continued to dropBack to article page