What type or types of blood flow through the heart?

oxygenated
deoxygenated
both a and b
none of the above

Biologists recognize five levels of cell organization. the lowest and simplest is the cellular level. organisms here are either unicellular organisms, like protozoa, or colonial organisms. colonial organisms are composed of single-celled individuals that stay together to sustain the life of the whole colony. next on the scale of complexity is the level occupied by tissue. a tissue is a group of similar cells which perform a similar activity. tissues that are organized around a common function together make up an organ, the third level of complexity. the fourth level of organization is the system, formed by a group of organs which together perform a specific bodily process. the fifth and highest level is the organism level, in which body systems work together in a structure capable of independent life. main idea:

In living to tell the tale, what does the following passage mainly reveal about the narrator (paragraph 2)? “there was not a single door, crack in the wall, a human trace that did not find a supernatural resonance in me.” : a) the narrator associates memories to specific objects that he sees. b) the narrator realizes the buildings around him should be demolished. c) the narrator feels as though he wants to connect to the people of the town. d) the narrator is unsure why he feels frightened while walking with his mother.

What is the most accurate paraphrase for the title eros turranos? a) love is free b) errors in turkey c) lover who wears a turban d) lover who's a tyrant