If you did not get enough sleep the night before, you may: A. have more REM sleep than normal
B. have no REM sleep.
C. have less REM sleep than normal
D. have no Stage 4 sleep

Name the type of chemical that speeds up digestion

Where substance is produced during cellular respiration

The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius