how do they? as far as i know babies breath through their mouth so how do they suck and breath.
Hi paul.fr,
babies too use their noses to breath in between swallowing milk!
(https://www.thenakedscientists.com/forum/proxy.php?request=http%3A%2F%2Fwww.webindia123.com%2Fhealth%2Fchild%2Fbaby%2Fimages%2Fbottle.jpg&hash=a1854f41bef2d0d03c4e2edcb0622abd)
http://www.webindia123.com/health/child/baby/images/bottle.jpg