In a Capillary Bed, Relaxation of the Precapillary Sphincter

question 169

Multiple Choice

In a capillary bed, relaxation of the precapillary sphincter

• A) causes more blood flow through thoroughfare channels.
• B) causes less blood to flow through capillaries.
• C) occurs when the tissue in the area does not need more oxygen.
• D) is voluntary.
• E) occurs when the tissue in the area needs more oxygen.

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