Common Causes of Blackouts (289 words, 1 pages)
1. Blackouts common, causes numerous, by Anita Srikameswaran (Post-Gazette Staff Writer). 2. The hypothesis would be Blackouts are caused by vasovagal reflex (what happens when a needle needs to be inserted into the skin to draw blood). 3. The independent variable would be the vasovagal reflex. 4. The dependent variable ...
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