Normally, the pancreas secretes pancreatic juice through the pancreatic duct to the duodenum. ----. Blockage of the pancreatic duct stops the flow of the pancreatic juice. Usually, the blockage is temporary and causes limited damage, which is soon repaired.
A) The pancreas is a leaf-shaped gland about five inches long
B) Acute pancreatitis is a sudden inflammation of the pancreas
C) This pancreatic juice contains digestive enzymes
D) Almost everyone with acute pancreatitis suffers severe abdominal pain in the upper midabdomen
E) No single blood test proves a diagnosis of acute pancreatitis
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Ecology is the study of the relationship of plants
and animals to their physical and biological
environment. The physical environment includes
light and heat or solar radiation, moisture, wind,
nutrients in soil, water, and atmosphere. The
biological environment includes organisms of the
same kind as well as other plants and animals.
---- For this reason, it draws upon such fields as
climatology, hydrology, oceanography, physics,
chemistry, geology, and soil analysis as well as
animal behaviour, taxonomy, physiology, and
mathematics.
A) Different kinds of organisms often share the
same environment, which makes the relationship
between them significant.
B) However, due to the climate and other natural
factors, physical and biological environments
show great diversity in the world.
C) An increased public awareness of environmental
problems has made ecology a common but often
misused word.
D) Our understanding of environmental problems
has increased by a very large extent over the
last few decades.
E) Although the field is a distinct scientific discipline,
it has a close relationship with other disciplines
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