Biology, 28.08.2020 01:01 brittanysanders
por favor ayudanme!! 1)Considerando que todas las células de nuestro cuerpo deben recibir nutrientes y deben poder eliminar de sí mismas y de su entorno sustancias de desecho: ¿Qué sistema de órganos permite que esto ocurra? (Es decir, el que transporta sustancias) 2) Los desechos que derivan del metabolismo celular, deben salir del cuerpo, pues su acumulación o sola presencia es dañina, o porque las cantidades deben ser constantemente reguladas. ¿Qué sistemas de órganos del cuerpo permiten que eliminemos sustancias de desecho?
Answers: 2
Biology, 22.06.2019 03:20, ahmedeldyame
Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics
Answers: 3
Biology, 22.06.2019 08:30, lol6998
Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.
Answers: 1
Biology, 22.06.2019 14:00, dakshshberry
Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet
Answers: 1
por favor ayudanme!! 1)Considerando que todas las células de nuestro cuerpo deben recibir nutrientes...
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