Questions with the keyword 'body function'

• Why do we burp and why can some people fake burp and some people can not???????????????? by bambi and 2 others. to Daphne, Darren, Jon, Katherine Comments: (No comments so far )
• Why is Urine yellow?? :) :O by sas6 and 1 other. to Daphne, Darren, Jon, Katherine Comments: (No comments so far )
• what is faeces by wee123 and 1 other. to Cathal, Daphne, Darren, Jon, Katherine Comments: (No comments so far )