![]() We derive an equation relating neck height and mean arterial pressure, which indicates that with a mean arterial pressure similar to that of the giraffe, the maximum safe vertical distance between heart and head would have been about 12 m. The return venous circulation may have been protected from complete collapse by a structure akin to the vertebral venous plexus. By means of an experimental model, we demonstrate that the siphon principle is able to explain how blood was able to adequately perfuse the sauropod brain. For example, it has been proposed that sauropods had exceptionally large hearts, multiple ‘normal’ sized hearts spaced at regular intervals up the neck or held their necks horizontal, or that the siphon effect was in operation. We are not affiliated with Western Union, MoneyGram, WorldRemit, Remitly, Transferwise, Azimo, Small World or Ria.How blood was able to reach the heads of the long-necked sauropod dinosaurs has long been a matter of debate and several hypotheses have been presented. Send to: BDT (Bangladeshi Taka), BRL (Brazillian Real), COP (Colombian Peso), ETB (Ethiopian Birr), GHS (Ghanaian Cedi), GNF (Guinean Franc), GTQ (Guatemalan quetzal), HTG (Haitian Gourde), INR (Indian Rupee), KES (Kenyan Shilling), (LKR (Sri Lankan Rupee), MAD (Moroccan Dirham), MGA (Malagasy Ariary), MZN (Mozambican Metical), NPR (Nepalese Rupee), PHP (Philippine Peso), PKR (Pakistani Rupee), TND (Tunisian Dinar,) TRY (Turkish lira), UGX (Ugandan Shilling), USD (US Dollar), VND (Vietnamese Dong), XAF (Central African Franc), XOF (West African Franc), ZMW (Zambian Kwacha), ZWR (Zimbabwean dollar) Send from: GBP (British Pound), EUR (Euro) CAD (Canadian Dollar), USD (US Dollar) We aim to change that, obsessively pursuing solutions to lower costs, reduce delays, and increase convenience. Too often, other companies have overlooked, over-charged and not treated these communities with the respect they deserve. ![]() We started Taptap Send because we believe diaspora communities deserve to have someone fighting for them on their most important financial needs: first and foremost, the need to send money to friends and family. If you ever need us or have questions, please email us at MISSION
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