1770
Many of the circulatory and transport properties of the sheep placenta are similar to those of the human placenta and as such , the pregnant sheep offers an excellent model in which to study the development of IUGR .
 Anatomy: placenta; Anatomy: placenta
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: placenta; Anatomy: placenta