healthy body tips

Baby Just Born• Always sleep in night and day• Can’t lift up head when lay with face down• The knee a little bent under the body and the bottom is liftBaby six weeks old• Able to lift head and chin when lay with face down• Able to straight the knee when the bottom is not lift• Able look at to the near object• Able smile to somebody that communicate withBaby 3 months old• Able to lift head and