Laughter II

3. when they are around _________ __ ____ ______ old – as an attempt at social interaction.
4. lobe The part of the brain responsible for generating emotional responses.
5. laughing is _______, contagious and there’s no reason to fight it.
7. Laughter's positive impact on the body's defense system.
8. in groups, people are 30 times more _______ to laugh than when they are alone.
9. Hormone released when under stress, lowered by laughter.
10. The act of laughing is natural, beneficial, and contagious.

1. as our _________ changes, our hearts beat faster our blood pressure increases and the levels of chemical in our brains are altered.
2. Laughter is a _____________; when people laugh together, they are instinctively trying to be accepted and create a bond.
4. expressions muscles change completely during laughter, involving more than 20 muscles.
6. Hormones released during laughter that contribute to feelings of happiness and relaxation.
8. first of all, laughing _______ the production of cortisol.
9. Movie genre that often triggers laughter.