R = Resistance of blood vessel. Blood flows from area of high pressure to an area of low pressure, down the pressure gradient. When heart contracts, it gives pressure to the blood, which is main driving force for flow through a vessel.Due to resistance in the vessel, the pressure drops as blood flows. = Resistance of blood vessel. Blood flows from area of high pressure to an area of low pressure, down the pressure gradient. When heart contracts, it gives pressure to the blood, which is main driving force for flow through a vessel. Due to resistance in the vessel, the pressure drops as blood flows.
(July 2016) I'd Rather Go Blind is a blues song written by Ellington Jordan and co-credited to Billy Foster. It was first recorded by Etta James in 1967, released in 1968, and has subsequently become regarded as a blues and soul classic.
From Wikipedia, the free encyclopedia. For other uses, see I Only Have Eyes for You (disambiguation) .  I Only Have Eyes for You  is a popular romantic love song by composer Harry Warren and lyricist Al Dubin, written in 1934 for the film Dames where it was introduced by Dick Powell and Ruby Keeler. remake of the song by Art Garfunkel was a number one hit on the UK Singles Chart in October 1975 for two weeks. The song was his first hit as a solo artist in the UK.