WILL GIVE BRAINLIEST AND POINTS
Describe the relationship between immunity and vaccines.

Vaccines greatly reduce the risk of infection by working with the body's natural defenses to safely develop immunity to disease.

Explanation:

Some people believe that naturally acquired immunity—immunity

from having the disease itself—is better than the immunity

provided by vaccines

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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.

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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