Cerebrospinal Fluid (CSF) flows through the four ventricles and then flows between the meninges in an area called the subarachnoid space. CSF cushions the brain and spinal cord against forceful blows distributes important substances and carries away waste products.
Answer:
b. has likely been extracted chemically rather than mechanically.
Explanation:
When the oil extraction is mechanical, olives are squeezed with a machine till the oil comes out, the olive oil is of higher quality because there were no chemicals that interfered in the process. On the other hand, chemical extraction of oil from olives uses different substances to obtain the final product making the oil to be of low quality because some components were affected during the process
(c) The correct answer for this option is ulcers.
Helicobacter pylori is caused by H.Pylori bacteria which infect your stomach. The spiral shape of H. pylori allows it to penetrate the stomach lining, where it’s protected by mucus and the body’s immune cells can’t reach it.
Helicobacter pylori infection infect the stomach lining and may lead to ulcers (sore on the lining of the stomach (gastric ulcer) or the first part of the small intestine (duodenal ulcer) in stomach and small intestine.
To know more about Helicobacter pylori,
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