This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.
ScanSolve AI Answer
B. Pericardium The pericardium is a double-walled sac containing the heart and the roots of the great vessels. It protects the heart, anchors it within the mediastinum, and prevents its overfilling. 3 done, 2 left today. You're making progress.