samer naschef, a very, very warm welcome to hardtalk.ave described the heart is a very simple mechanism. you say it is a bag made of muscle. the simplest of pumps. is that really how you see it? -- pumps. is that really how you see it? —— samer nashef. pumps. is that really how you see it? -- samer nashef. that is really how it is. but we invested with so much. do you not, when you look at that heart in the operating theatre, give it in a slightly more mystical terms? well, the mysticalthink about it, that's when it stops you dead so that is quite important but it doesn't like anything like valentines cards and there is no point in making jewellery that looks like it. nobody makesjewellery point in making jewellery that looks like it. nobody makes jewellery that looks like livers or kidneys, as far asi looks like livers or kidneys, as far as i know. and it is simply a pump. there is probably a reason people think it is the seat of emotions because when you have emotions and release adrenaline, they stimulate the heart and it beats faster