The ________ mechanically digests ingested food
A) small intestine
B) esophagus
C) large intestine
D) stomach
E) anus
Answer: D
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Which of the following statements about blood is false?
A) Blood contains buffers that control pH. B) The normal pH of blood is 6.8 to 7.0. C) Blood is more viscous than water. D) Blood is about 55 percent plasma. E) Cells in blood comprise the formed elements.
Match the cell type with its function.A. Produce hormonesB. Produce mucusC. May protect intestinal epitheliumD. Synthesize bileE. Produce digestive enzymesHepatocytes
Fill in the blank(s) with the appropriate word(s).
Cardiac muscle cells differ from skeletal muscle fibers in that the cardiocytes are uniquely interconnected by (the) ________.
A) sarcoplasmic reticulum B) Z discs C) gap junctions D) intercalated discs E) T tubules
During milk ejection, milk enters a dilated sac behind the nipple called
A. the lactiferous duct. B. the lactiferous sinus. C. the lactiferous bulb. D. the areola. E. the lacteal.