File:El corazón humano - Laura Macías Álvarez.jpg
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DescriptionEl corazón humano - Laura Macías Álvarez.jpg |
Español: El corazón se divide en cuatro cavidades; dos aurículas y dos ventrículos. La aurícula y el ventrículo izquierdos, hemicardio izquierdo, están conectados mediante la válvula bicúspide. En el hemicardio derecho, la aurícula y el ventrículo se conectan por la válvula tricúspide. Las válvulas regulan la circulación en sentido aurico-ventricular. Anatómicamente, la sangre circulante en cada hemicardio no se mezcla. El lado izquierdo regula el flujo de sangre oxigenada desde los pulmones hacia los órganos y el lado derecho bombea la sangre usada procedente del cuerpo a los pulmones para su oxigenación. El ciclo cardiaco es igual en ambos hemicardios. Diástole: el corazón está relajado y la sangre entra en las aurículas. Sístole auricular: las aurículas se contraen empujando la sangre hacia los ventrículos. Una vez llenos, las válvulas retienen la sangre en ellos e impiden el reflujo hacia las aurículas. Sístole ventricular: los ventrículos se contraen expulsando la sangre por las arterias. |
Date | |
Source | http://blog.illustraciencia.cat/2015/04/el-corazon-humano-laura-macias-alvarez.html |
Author | Laura Macías Álvarez |
I·lustraciència by ACCC, as a collaboration with Amical Wikimedia, kindly provided this illustration liberated by its author.
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current | 10:32, 11 December 2015 | 1,169 × 1,654 (1.06 MB) | Illustraciencia (talk | contribs) | User created page with UploadWizard |
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Orientation | Normal |
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Horizontal resolution | 100 dpi |
Vertical resolution | 100 dpi |
Software used | Adobe Photoshop CS6 (Macintosh) |
File change date and time | 23:33, 27 April 2015 |
Color space | sRGB |
Date and time of digitizing | 21:31, 25 April 2015 |
Date metadata was last modified | 01:33, 28 April 2015 |
Unique ID of original document | xmp.did:F0A735C11F2068118C14DCBE1CB7366E |