Why does a healthy cardiovascular system prevent neurological diseases and disorders?
because arteries provide the needed blood flow to the brain and neurons
because memory loss is prevented when the heart pumps efficiently
because the heart and spinal cord are close together in the body
because exercise is critical for proper breathing, which can prevent seizures

Ans.

Cardiovascular system is composed of blood, blood vessels, and heart that transports blood throughout the body. The cardiovascular system also provides blood to the neurons and brain cells, and prevents memory loss.

Various researches have found that heart problems can lead to various neurodegenerative disorders. For example, vascular dementia is a type of memory loss, which occurs due to problem in normal blood flow to the brain cells.

Thus, the correct answer is option). 'because memory loss is prevented when the heart pumps efficiently.'