The vena cava is a blood vessel in the circulatory system. Which of the following statements about the vena cava is correct?The vena cava carries oxygenated blood to the lungsThe vena cava carries deoxygenated blood to the lungsThe vena cava carries deoxygenated blood to the heartThe vena cava carries oxygenated blood to the body
Question
The vena cava is a blood vessel in the circulatory system. Which of the following statements about the vena cava is correct?The vena cava carries oxygenated blood to the lungsThe vena cava carries deoxygenated blood to the lungsThe vena cava carries deoxygenated blood to the heartThe vena cava carries oxygenated blood to the body
Solution
Para responder a la pregunta, primero debemos entender la función de la vena cava en el sistema circulatorio.
- La vena cava es una gran vena que transporta sangre.
- Existen dos venas cavas: la vena cava superior y la vena cava inferior.
- Ambas venas cavas transportan sangre desoxigenada.
- La sangre desoxigenada es transportada desde el cuerpo hacia el corazón.
Ahora, evaluemos cada una de las afirmaciones:
- "La vena cava transporta sangre oxigenada a los pulmones" - Incorrecto. La vena cava no transporta sangre oxigenada y no lleva sangre a los pulmones.
- "La vena cava transporta sangre desoxigenada a los pulmones" - Incorrecto. La vena cava lleva sangre desoxigenada al corazón, no a los pulmones.
- "La vena cava transporta sangre desoxigenada
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