A branch or leaf and here is a link to some flash cards i found
https://quizlet.com/45759526/developmental-anatomy-flash-cards/
A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria.
What are the answer choices!
Hi there! Hopefully this helps!
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<h2 /><h2>Answer: Chronic fatigue syndrome.</h2>
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<em>Chronic fatigue syndrome is a debilitating and complex disorder distinguished by profound fatigue that is </em><u><em>not enhanced by bed rest</em></u><em> and maybe made </em><u><em>more harmful by physical or mental activity</em></u><em>.</em>
