Ten curiosities on babies

• In nine months that exist between the conception and the birth, the weight of the baby duplicates 3.000 million times.
• Between the birth and two years of life, the child quadruples his size..
• The brain of a newborn baby supposes 10 per cent of the whole of the weight of his body (in the adults he supposes 2 per cent).
• The heart of the newborn babies beats much more quickly (between 130-160 pulsations / minute) that that of the adults (70-80 beats / minute).
• The human baby is the only alive being that smiles deliberately at his parents.
• The foot of the newborn baby comes to be the third part of the foot that it will have of adult, and a year it is already an almost the half.
• During the first days of life, the babies cry without tears, since they still have the lachrymal conduits closed.
• All the babies sneeze to clean his airways. That does not mean that they are cooled.
• The most powerful sense in the babies is the smell. In fact, they recognize his mother as his smell.
• Be which is the date of birth of your son, he will share the day of his birthday with another 9 million persons in the planet.