These muscles elevate the ribs and have their origin on the inferior border of the superior rib and their insertion on the superior border of the inferior rib
A. Internal intercostals
B. External intercostals
C. Transversus thoracis
D. Diaphragm
E. Serratus posterior inferior
B
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Which division of the nervous system shows a greater capacity for regeneration?
A. CNS B. PNS
How would the loss of acetylcholinesterase from the motor end plate affect skeletal muscle?
A) It would make the muscles less excitable. B) It would produce muscle weakness. C) It would cause spastic paralysis (muscles are contracted and unable to relax). D) It would cause flaccid paralysis (muscles are relaxed and unable to contract). E) It would have little effect on skeletal muscles.
Keratinization softens cells.
Answer the following statement true (T) or false (F)
Which of the following glands are not part of the endocrine system?
a. salivary gland b. pituitary gland c. thyroid gland d. hypothalamus