Which of the following is the best example of neuroplasticity? cells from the hippocampus are instrumental in encoding memories. neurons that are transplanted from the auditory cortex to the visual cortex begin to perceive light. the 3-year-old’s brain is approximately three-fourths of its adult size. fetal brains grow quickly, increasing in weight over the course of pregnancy.

Neurons that are transplanted from the auditory cortex to the visual cortex begin to perceive light.

Explanation:

Neuroplasticity is the ability of the brain to change through like, that means that the neurons "can learn" new abilities or duties depending in the place that they are.

In this case, the neurons from the auditory cortex that the main function is to detect noises and make the differences from one to another. Suddenly  are placed in another tissue, in the visual cortex, and since this place has a different characteristic (perceive light) the neurons "learn" how to develop the new task.

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explanation:

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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.