Serous fluid in the pericardial cavity serous fluid in the pericardial cavity is a remnant of embryonic development increases friction between the beating heart and the outer wall of the pericardial sac is a slippery fluid secreted by the fibrous pericardium is secreted by the heart itself is secreted by the epithelial cells of both layers of the serous pericardium
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Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above
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(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.
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Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.
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Serous fluid in the pericardial cavity serous fluid in the pericardial cavity is a remnant of embr...
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