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 is a tall (1.5-2.0 m) perennial grass. It has a small stout rhizomatous stolen which gives rise to spongy, fibrous, dense roots system. Roots have aromatic properties and grow 20-30 cm deep in medium textured marginal soils under cultivation.he other floret is pedicelled and staminate. Java vetiver is non flowering type has broader leaves (1.1 mm), medium thick stems, bushy growth bearing flowers with high pollen sterility; the plants give out more branching roots with higher oil content and the oil is dextro-rotatory in nature.