why we laugh
Post on 23-Feb-2017
128 Views
Preview:
TRANSCRIPT
WHY WE LAUGH
MAMMELS LAUGH
UNDERSTAND WITH AGE
INVOLUNTARY
VOLUNTARY LAUGH
CONTAGIOUS
INTE
RACT
IONS
LOWER STRESS
top related
Post on 23-Feb-2017
128 Views
Preview:
TRANSCRIPT
WHY WE LAUGH
MAMMELS LAUGH
UNDERSTAND WITH AGE
INVOLUNTARY
VOLUNTARY LAUGH
CONTAGIOUS
INTE
RACT
IONS
LOWER STRESS
top related