A. A. A. Beta-blockers are drugs used to treat high blood pressure. They block the effects of the sympathetic nervous system on the heart. This reduces the work of the heart so that it requires less blood and oxygen. As a result, the heart doesn't have to work as hard, which in turn lowers blood pressure.. A. Beta-blockers are drugs used to treat high blood pressure. They block the effects of the sympathetic nervous system on the heart. This reduces the work of the heart so that it requires less blood and oxygen. As a result, the heart doesn't have to work as hard, which in turn lowers blood pressure.
sliver noun [C]. âº a very âsmall, âthin âpiece of something, usually âbroken off something âlarger: a sliver of âglass Just a sliver of âcake for me, âplease-I shouldn't really be having any. (Definition of sliver from the Cambridge Advanced Learnerâs Dictionary & Thesaurus Â© Cambridge University Press). See all translations.
Vetiver (in French, vetyver) is a grass from the Poaceae family of plants, which also includes lemongrass and citronella. Vetiver is a fast-growing perennial that can survive up to 50 years or more, with a large, interlinked root system.here It's Found. Vetiver is native to Southern India, Sri Lanka and Indonesia, but today is widely cultivated in various countries around the world, including Reunion, Haiti, the Philippines, Japan, the Comoro Islands, West Africa and Polynesia.