【题干】_____

A.an extra large sauna and steam room can be used for players to relax in.
B.The cardiovascular system gets a work out as the heart must pump harder and faster to move blood to the surface for heat exchange.
C.The Japanese, Greeks, Turks and Russians as well as Native Americans have forms of the sweat bath in their bathing rituals.
D.The body's core temperature usually rises a 1-2 degrees while in the sauna, thus imitating a slight fever.
E.Pregnant women should not take saunas, particularly in the first three months.
F.A few people today say that the smoke sauna, "savusauna", is the only true sauna experience and that all saunas should have at least a background odor or smoke.