The five vertebral regions are the cervical, thoracic, lumbar, sacral, and
A) dorsal.
B) ventral.
C) coccygeal.
D) axial.
E) None of the answers is correct.
Answer: C
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These muscles extend from the pubis and ischium anteriorly to the sacrum and coccyx posteriorly. They control the evacuation of waste materials from the digestive and urinary systems.
A. Muscles of the pharynx B. Muscles of the abdominal wall C. Muscles of the pelvic floor D. Muscles of the vertebral column E. Muscles of the perineal floor
Which bears a close structural relationship with the fossa ovalis?
A. Foramen ovale B. Papillary muscles C. Trabeculae carneae D. Conus arteriosus E. Chordae tendineae
Foot proteins link the actin molecules together within a thin filament
Indicate whether the statement is true or false
The sensory division of the nervous system carries action potentials from ________.
A. the sensory receptors to the CNS B. the CNS to the effectors C. the effectors to the CNS D. the CNS to the sensory receptors