chin12
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Select the two systems that are most closely related to the situation or process described (Thinking about a big test and getting a stomachache )
Nervous*
Digestive
Circulatory
Immune

Select the two systems that are most closely related to the situation or process described (Eating lean protein before a big race )
Respiratory
Digestive
Nervous
Muscular



Answer :

**Nervous and Digestive for the 1st because stomach is related to digestion and getting nervous when you're scared. 

Digestive and muscular for the 2nd because Eating is related to digestion and eating healthy construct muscles in your body

I've been stalking you all day ;)

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