The answer is passive sentence since when the verb is added to the subject it forms a passive sentence.
If what you mean is an explanation of the digestive system, this website should help: http://www.innerbody.com/image/digeov.html
Answer:
1) In this epic poem, there are three major themes: hospitality, loyalty, and vengeance.
2) I'm not sure abt this
3) As a wayfarer in life, The Odyssey focuses on life's greater purpose through the fulfillment of destiny, perseverance, and loyalty. These three themes recur continuously throughout Odysseus' journey, molding life's greater vision.
Explanation:
They both get killed by their childhood friend
After I mowed the lawn, I took a dip in my friend's pool.
** Introductory clauses are followed by a comma.