There is really no change in cardiac output, there is increased heart rate and a decrease in systolic volume.Although, it is common that after donating blood, vasovagal syncope occurs.
This is basically that the body reacts to de lack of volume, the brain detects an stimulator effect on the vagus nerve, lowers the heart rate and the person feels dizzy or falls, without major consequences.
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Smartphones and data centres are damaging to the environment and will have the biggest carbon footprint in the tech industry by 2040, researchers have found. ... While these phones consume little energy to operate, 85% of their emissions impact comes from production, the researchers said.
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The most important responsibility of an individual is to conserve energy and prevent them from being unnecessarily wasted......
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The steps that link a change in the base sequence of a gene to a change in the phenotype of an organism is DNA to RNA to Protein.
DNA undergoes the process of transcription to yield mRNA catalyzed by RNA polymerase where DNA acts as a primer. Then mRNA undergoes translation outside the nucleus to yield proteins.
