Not to any significant degree.
As implied by the old adage "It takes 42 muscles to frown and only 4 to smile but it doesn't take any to just sit there with a dumb look on your face", smiling does require that you tense certain muscles, which would use a tiny amount of energy. Perhaps enough to allow you to eat a sesame seed without gaining weight.
They lose 5647 calories an hour
It takes 3500 calories to lose a pound
You would need to lose 3500 Calories to lose 1poundDecrease your daily calories by 30%.
3500 calories must be burned to lose one pound.
you have to lose calories you do that by excising and lose 500 calories each say for one week no junk food you will lose 1 pound in a week if you only lose 500 calories each or 1000 each day you will lose 2 pounds
* yes about 5 pounds This is wrong. There are 3500 calories in a pound. You must "lose" 3500 calories through diet or exercise to lose 1 pound. It would take a reduction of 17,500 calories to lose 5 pounds.
There are a lot of calories that one could lose in a day simply by walking. On an average day, one could hope to lose about 500 calories by walking. It takes 3500 calories lost to lose a pound.
You can't "lose" calories (well, I suppose you could misplace a pie, in which case you would have lost the calories represented by that pie).
there are 3,500 calories in a pound so times that by 23 and your answer is80,500
3200 calories.
84 calories
you would lose 300 calories in a 100 metre sprint