<em>Vaccines work by simulating an illness to help establish immunity. However, while this sort of infection nearly never produces sickness, it does trigger the immune system to create T-lymphocytes and antibodies. The imitation illness can sometimes induce modest symptoms, like as fever, after receiving a vaccination.</em>
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<em>- RobertOnBrainly</em>
When my son was in picu I asked bc the hospital we were in used code red. There are no standard definitions or conventions for the use of codes in hospitals I was told by the nurse. While code blue does refer to a cardiopulmonary arrest at many hospitals, it doesn't necessarily mean the same thing everywhere.
Answer:
Headaches can have causes that aren't due to underlying disease, examples include lack of sleep, an incorrect eyeglass prescription, stress, loud noise exposure, or tight headwear (:
B,D letters in the image represent the heart's ventricles. thus option D is correct.
<h3>What are the parts of the heart?</h3>
The left atrium, right atrium, and two lower chambers known as the left and right ventricles make up the four chambers that make up the heart. The tricuspid, pulmonary, mitral, and aortic valves are among its four valves.
The ventricle is one of two sizable chambers at the base of the heart that gather and discharge blood to the lungs and peripheral beds of the body. An atrium, a nearby chamber in the upper heart that is smaller than a ventricle, provides the blood pumped by a ventricle.
Learn more about heart here:
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