Questions with the keyword 'skin'

• do you reckon than in the future, if the immune system (and us humans) evolve. we will lose our orifices so that by sparkels to Carmen, Laura, Steph Comments: (No comments so far )
• Lots of weird things such as mucus and cilia protect our body, in particular skin is our first defense against germs. by 454sysb37 and 1 other. to Carmen, Daniel, Laura, Noel, Steph Comments: (so far, 3s comments )