Skeletal muscle fibers are formed from embryonic cells called
A) sarcomeres.
B) myofibrils.
C) myoblasts.
D) fascicles.
E) myomeres.
C
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Through what opening does the spinal cord pass?
A. Vertebral foramen B. Vertebral arch C. Transverse foramen D. Intervertebral foramen E. Central canal
Basophils and lymphocytes have this characteristic in common:
a. both are thrombocytes b. both are leukocytes c. both are granular leukocytes d. both B and C above
The internal environment
a. is in direct contact with the body's cells. b. consists of the intracellular fluid. c. must be maintained at absolutely unchanging composition, temperature, and volume for survival of the body. d. is in direct contact with the body's cells and consists of the intracellular fluid. e. all of these answers.
A buildup of fluid in the lungs caused by pneumonia leads to an increase in the
A. residual volume. B. physiologic dead space. C. anatomic dead space.