How does the digestive system, circulatory system and respiratory system work together to help a multicellular organism stay alive?

How does the poem's mood and tone change in each of these stages of “o captain! my captain! ” by walt whitman? (i need an answer asap )

Read these lines from stanza 5 of the poem, “they shot wook kim” and answe the question. hung in the air/over that petroleum morgue that night. what does the use of the phrase “petroleum morgue” best suggest? an atmosphere of chemical detachment an unsettling place of ultimate rest a dark street containing a lifeless body an area containing putrid substances and smells

When reading a poem closely to interpret its meaning and nuances, what can give you clues about the theme of the poem? a the rhyme scheme b. the stanza structure c. the title of the poem d. the name of the poet