SISTEMA NERVIOSO

Gap-fill exercise

  

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

En el , el se origina a partir de las protuberancias localizadas en la extremidad del tubo neural.