Заранее )): ! 1)how much blood is there in our bodies? a about three litres. b between four and five litres. c about six litres. 2)how much sleep does an average adult get? a about six hours a night. b about seven hours a night. c about eight hours a night. 3)how much does your brain weigh? a about 500 grams. b 1.4 kilos. c about two kilos. напишите правду