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Debora [2.8K]
3 years ago
9

For a physiological system to improve, it must be exposed to a stimulus greater than it is normally accustomed to, such as a fas

ter pace or a heavier weight; this is referred to as the principle of _____.
Biology
1 answer:
svp [43]3 years ago
5 0
Skinny and white is the best thing I have ever had in a while and I’m still not trying not because you have a lot to say
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Vitamin d is unique in that it can be obtained by the diet but also is synthesized inside the body when a cholesterol-like subst
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How does blood return from the cardiac tissues to the right atrium
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