What is the role of the church in the middle ages?

What is a mechanism by which organisms maintain homeostasis when the level of one substance influences the level of another substance or the activity of an organ.

Keeping wolves as pets is wrong. wolves are not pets.they're wild and natural-born killers. people who keepwolves in captivity are self-centered and vain. they thinkit's some kind of status symbol to own a wolf. but wolvesneed to roam free, participate in the thrill of the hunt, filltheir bellies with raw meat, and socialize with their packmates.which type of appeal does the passage primarily use? oa. ethos

Which two lines in this excerpt from leo tolstoy's the death of ivan ilyich together use symbolism to indicate that death is approaching?