What are the two major functional properties of neurons?
A) cover and line body surfaces
B) contraction and movements
C) irritability and conductivity
D) connect and protect
E) lubricate and secrete
C
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In which of the following locations would you most likely find transitional epithelial cells?
a) Lining of the esophagus b) Outer layer of skin c) Lining of the urinary bladder d) On the surface of the heart e) Covering skull bones
Lacking a mouth and digestive system, in many ways the anatomy of this invertebrate resembles that of a gut turned inside out
A) Sponge B) Hydra C) Cestode D) Sea urchin
All of the nervous tissue outside of the central nervous system comprises the ________ nervous system.
A) somatic B) autonomic C) sympathetic D) central E) peripheral
Which structural feature of lymphatic vessels is responsible to forward movement of lymph?
A. Overlapping endothelial cells B. Valves C. Thin walls D. No basement membrane