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.
 Can't Take My Eyes Off You  is a 1967 single by Frankie Valli. The song was among Valli's biggest hits, earning a gold record and reaching #2 on the Billboard Hot 100 for a week, stuck behind  Windy  by The Association. It was Valli's biggest solo hit until he hit #1 in 1974 with  My Eyes Adored You .Can't Take My Eyes Off You has had a major cultural impact, with hundreds of cover versions, many of which have been on the charts themselves in different countries.t was Valli's biggest solo hit until he hit #1 in 1974 with  My Eyes Adored You . Can't Take My Eyes Off You has had a major cultural impact, with hundreds of cover versions, many of which have been on the charts themselves in different countries.