He was a high ranking Roman Army Officer. He's important because he, with all his great power and ability to command, was very humble and very faithful in Christ's power. Perhaps I'm using the wrong word, but don't forget the centurion recognized power before anything. He is remarkable because he did not respond exclusively to power. He responded to his understanding of faith.
Read Matthew 8:5:13. It's in Luke to but I'm not familiar with it in that gospel.
She should begin proper nouns with a capital letter as nouns are always capitalized. Also, she should italicize the names of magazines as the titles of things that can stand by themselves are normally italicized.
villi is the pleural of villus and villus refers to the finger or thread like projections of specific membranous structures often serving in the capacity of increasing surface area and to facilitate the passage of fluids or nutrients
The characters change because the little girl is scared of the giant, but she learns to be friends with him. i hope i helped! if not i can explain in further detail!