Emphysema is a health condition in which the lungs can no longer expel carbon dioxide normally. as a result, a person who has emphysema may have high blood acidity levels.

Which contributions did galileo make to the model of the solar system? check all that apply.

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries