Generalize the role of the lower motor neuron in motor control
What will be an ideal response?
Upper motor neurons, located in the primary motor cortex of the cerebrum, stimulate lower motor neurons. Lower motor neurons innervate skeletal muscle fibers within a single skeletal muscle. Lower motor neurons initiate a muscle contraction. Groups of lower motor neurons that innervate the same muscle are called motor neuron pools.
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Is a scientific principle taken as absolutely true? Explain your answer
What will be an ideal response?
If a scientific opinion has been verified repeatedly, it becomes a
A) model. B) law. C) theory. D) variable. E) hypothesis.
_________ has been nicknamed the "love hormone"
a. FSH b. Testosterone c. Estrogen d. Oxytocin e. LH
Which is not a component of a typical reflex arc?
A) Motor neuron B) Receptor C) Effector D) Cerebral cortex E) Integration center