Blood vessels. These bring blood to the lungs, where oxygen enters the bloodstream, and then to the body: The inferior and superior vena cava bring oxygen-poor blood from the body into the right atrium.The pulmonary artery channels oxygen-poor blood from the right ventricle into the lungs, where oxygen enters the bloodstream.The pulmonary veins bring oxygen-rich blood to the left atrium. The aorta channels oxygen-rich blood to the body.hese bring blood to the lungs, where oxygen enters the bloodstream, and then to the body: The inferior and superior vena cava bring oxygen-poor blood from the body into the right atrium. The pulmonary artery channels oxygen-poor blood from the right ventricle into the lungs, where oxygen enters the bloodstream.
Empiricism is a philosophical belief that states your knowledge of the world is based on your experiences, particularly your sensory experiences. According to empiricists, our learning is based on our observations and perception; knowledge is not possible without experience.
This is contrasted with a priori knowledge.MeaningEmpirical evidence is information that justifies a belief in the truth or falsity of a claim. In the empiricist view, one can claim to have knowledge only when one has a true belief based on empirical evidence. This stands in contrast to the rationalist view under which reason or reflection alone is considered evidence for the truth or falsity of some propositions. ...