Which of the following is an accessory organ of digestion?
A) appendix
B) pancreas
C) spleen
D) colon
E) esophagus
Answer: B
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NK cells contain the proteins perforin and protectin that provide a type of immunity called:
immunological surveillance Phagocytes the complement system the inflammatory response None of the choices are correct
Which of the following is contained within gray matter?
A. Glial cells only B. Glial cells, axons of motor neurons, and Schwann cells C. The distal part of axons of lower order motor neurons D. Glial cells and myelinated fibers E. Neurosomas, dendrites, and proximal parts of axons of neurons
Which unique connective tissue is composed of a fluid portion (plasma) and formed elements?
a. blood b. bone c. connective tissue proper d. cartilage
________ carry blood to the heart.
A. Capillaries B. Arteries C. Veins