VIDEO

 BIBLIOGRAFIA

https://www.nlm.nih.gov/medlineplus/spanish/ency/esp_imagepages/8832.htm

http://www.portaleducativo.net/quinto-basico/93/Sistema-digestivo

https://www.youtube.com/watch?v=L39-OeQ_mXg&noredirect=1

http://yenitzasantiago.blogspot.com.co/

http://webdelmaestro.com/aparato-digestivo-para-ninos/