The pancreas produces ________ secretions that include digestive enzymes and hormones, respectively
A) serous and sebaceous
B) mucous and acid
C) merocrine and holocrine
D) exocrine and endocrine
E) secretory and absorptive
D
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In an x-ray film of the skeletal system, the dense tissue areas appear ______ because they ______ the x-rays; and the less dense tissues appear ______ because they ______ the x-rays
A. light, absorb; dark, do not absorb B. dark, absorb; light, do not absorb C. dark, do not absorb; light, do absorb D. light, do not absorb; dark, aborb
A urinalysis showing the presence of protein and blood cells is normal.
Answer the following statement true (T) or false (F)
Cardiac muscle tissue __________.
a. will not contract unless stimulated by autonomic nerves b. is innervated mostly be neurons associated with the sympathetic division of the autonomic nervous system c. has its own intrinsic conduction system that can set the pace of the beating heart d. will not contract unless stimulated by somatic motor neurons
________ are photoreceptors that convey our ability to see color
A) Rods B) Cones