On the x-axis 'Time' ranges from 9 A.M. to 9 P.M. in increment of 2 hours and on y-axis 'Degrees Celsius' ranges from 0 to 40 with an increment of 5. Red line representing body temperature is drawn almost parallel to x-axis. Blue line representing outside temperature starts from (9 A.M. comma 10), goes up to (3 P.M. comma 28) and then comes down to (9 P.M. comma 17).