The endocrine system regulates body functions by releasing hormones directly into the bloodstream, rather than through ducts. These hormones act as chemical messengers, influencing processes like metabolism, growth, and response to stress. An example is insulin, which helps manage blood sugar levels. ;
The endocrine system influences the body's functions by secreting hormones directly into the bloodstream, acting as chemical messengers. Key functions include regulating metabolism, growth, stress response, and reproductive processes. Therefore, the correct answer to the question is B: It secretes hormones directly into the bloodstream.
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