... in still larger trunks, till the collected blood is at length poured into the heart through one opening. " The engine that works this curious machinery is the heart. The heart is composed of four cavities. Like other muscles, it has the power of contracting... Harry Beaufroy, Or, The Pupil of Nature - Página 107por Maria Hack - 1824 - 194 páginasVista completa - Acerca de este libro
| Maria Hack - 1828 - 106 páginas
...of flesh, but contains several cavities." " I perfectly remember the appearance of the slice I tyad. There was a layer of flesh on the outside, and the...action of the heart depends. Like other muscles, it has the1 power of contracting ; and when it contracts, the sides of its cavities are squeezed together,... | |
| Alexander Winton Buchan - 1854 - 332 páginas
...The engine that works this curious machinery is the heart. The heart is composed of four cavities. Like other muscles, it has the power of contracting...sides of its cavities are squeezed together, so as to force out any fluid the heart may at that moment contain. This purpose being effected the fibres relax,... | |
| James Henry Potts - 1889 - 806 páginas
...The engine that works this curious machinery is the heart. The heart is composed of four cavities. Like other muscles, it has the power of contracting...sides of its cavities are squeezed together, so as to force out any fluid the heart may at that moment contain. This purpose being effected, the fibres relax,... | |
| ́ Vincent T. Murche - 1895 - 264 páginas
...chamber above. You already know that this diaphragm is a stout, strong, muscular partition. Like all other muscles, it has the power of contracting, and when it contracts its muscular fibres are shortened, so that the dome or arch is pulled down and flattened. This contraction,... | |
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