The Golgi tendon organ ______________________.
 | |
 |
is located in muscle; |
 |
is located in tendon; |
 |
is involved in the maintenance of muscle tone; |
 |
is involved in protecting the muscle against excessive contraction; |
 |
both alternatives b and d are correct; |
INCORRECT - Muscle spindles, not Golgi tendon organs, are involved in maintaining muscle tone.
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