A neuron fires an impulse by the all-or-____________________ law
Fill in the blank(s) with correct word
none
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. Individuals can voluntarily empty their bladder by contracting their abdominal muscles as part of the Valsalva maneuver
Indicate whether this statement is true or false.
You have just disembarked from an airplane following a cross-country flight. You are experiencing difficulty in hearing and notice that your ears are plugged
To relieve the pressure you try "yawning" to clear the ear canal. It worked. What muscle was involved? A. Middle constrictor B. Levator veli palatini C. Salpingopharyngeus D. Palatopharyngeus E. Tensor veli palatini
Answer the following statements true (T) or false (F)
1. Tonic contractions provide rapid movement for skeletal muscles. 2. Good posture can be defined as holding the body parts in the position that favors best function. 3. The production of heat is a primary function of the muscular system. 4. Hypothermia refers to a dangerous elevation in body temperature. 5. The breakdown of ATP is the energy source that helps supply heat to the body.
When one motor neuron fires a single action potential the result affects one
A) synaptic cleft. B) motor unit. C) upper motor neuron. D) lower motor neuron. E) sensory unit.