Blood is key to everything because it carries oxygen and nutrients however it can't get there without the 2 other parts. The heart pumps the blood by filling up chambers and squeezing it really hard forcing it out and into blood vessels. Blood vessels carry the blood to everywhere in your body and blood vessels is just a broad term for all the different types.
"Difficulty with peripheral vision" A nurse is assessing a client with a diagnosis of primary open-angle glaucoma. which ocular symptom should the nurse expect the client to report?.</span>