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Why does a cyclist tilt her bicycle on a curve?
Venous Blood
Blood that is returning to the heart through veins after having circulated through the body, characterized by its dark red color due to lower oxygen content.
Sympathetic Stimulation
Activation of the sympathetic nervous system, resulting in physiological responses such as increased heart rate and blood flow to muscles.
Metabolic Rate
The rate at which the body uses energy to maintain basic vital functions such as breathing, circulation, and cell production.
Precapillary Sphincters
Ring-like muscles located at the entrance of capillaries, controlling blood flow into the capillaries by contraction and relaxation.
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