Oxygen-poor blood flows out of the heart and into the lungs. Nutrients and oxygen are sent to other cells and parts of the body. The blood then returns to the heart to begin the process again. Which of the body's systems is the above process describing? Answers (A) -The skeletal system (B)-The digestive system (C)-The respiratory system (D)-The circulatory system
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The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind
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Which best describes carbon dioxide’s path out of the body
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Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because
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Oxygen-poor blood flows out of the heart and into the lungs. Nutrients and oxygen are sent to other...
Mathematics, 05.05.2020 18:12
Mathematics, 05.05.2020 18:12
Mathematics, 05.05.2020 18:12
Mathematics, 05.05.2020 18:12