Urgent answer  in photosynthesis, plants use radiant energy from the sun and combine it with other reactants to form glucose. which of the following statements best describes the relationship that exists between the formation of glucose and its use? plants contain chloroplasts to undergo photosynthesis and make glucose directly, but they also use mitochondria for cellular respiration. plants contain chloroplasts to undergo photosynthesis and make glucose directly, so they do not need mitochondria.

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the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.