The neurotransmitter released by lower motor neurons at the neuromuscular junction is:

A kyphotic?lordotic posture is marked by

a. an exaggerated kyphotic curve. b. a posterior pelvic tilt and flat back. c. spinal collapse and excessive spinal curvatures. d. a rigid, overarched spine.

The shaft of the long bone is called ________.

A. epiphysis B. diaphysis C. periosteum D. compact bone