Antibodies to common microorganisms have been developed by infancy. <span>An </span>antibody<span> (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein produced mainly by plasma cells that is used by the immune system to identify and neutralize pathogens such as bacteria and viruses.</span>
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There is an big increase in breathing and the heart rate to, as much as double. Pulse rate and blood pressure go up as our hearts pump harder to get more oxygen to the cells.
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Every element in the first period has 1 shell for its electrons. Every element in the second period has 2 shells for its electrons
Acidity is determined using a pH indicator