The events leading to skeletal muscle contraction are initiated by the neurotransmitter __________.
Fill in the blank(s) with the appropriate word(s).
acetylcholine or ACh
Anatomy & Physiology
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Immunity that is genetically determined and present at birth is called ________ immunity
A) active B) natural passive C) passive D) auto E) innate
Anatomy & Physiology
The average human adult skeleton has how many bones?
Anatomy & Physiology
This figure shows the muscles of respiration. What muscle does number 2 indicate?
A. External intercostal B. Scalene C. Internal intercostal D. Transversus thoracis E. Diaphragm
Anatomy & Physiology
Increasing stimulus strength results in an increase in the _____ of action potentials.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology