Questions with the keyword 'human behaviour'

• why do we scratch ourselves ? by Brie mode fearless to Theresia, Katie, Giovanna, Duane, Andy Comments: (No comments so far )
• Why do we laugh when we are tickled. by Anya and 1 other. to Andy, Duane, Giovanna, Katie, Theresia Comments: (No comments so far )
• why do girls hormes make them grumpy? by Poppie to Andy, Duane, Giovanna, Katie, Theresia Comments: (No comments so far )
• We do we talk in our sleep? by Ben to Andy, Duane, Giovanna, Katie, Theresia Comments: (No comments so far )