BIOL 3320 Lab Exam 1| 133 Questions| With Complete Solutions
skeletal muscle correct answer: moves the skeleton, voluntary, striated, multinucleated smooth muscle correct answer: found inside blood vessels and hollow organs, involuntary, no striations, one nucleus cardiac muscle correct answer: found only in the heart, involuntary, heavily striated, some are multinucleated. fibers are connected by intercalated disks arteries correct answer: carry blood away from the heart. carry OXYGENATED blood veins correct answer: carry blood toward the heart carry UNOXYGENATED blood mediastinum correct answer: mass of tissue that extends from the sternum to the vertebral column between the lungs apex correct answer: pointed bottom of the heart base correct answer: broad top of the heart pericardium correct answer: a tough membrane that surrounds and protects the heart. it anchors the heart in the mediastinum while allowing for freedom of movement during rigorous contraction fibrous pericardium correct answer: tough outermost layer serous pericardium correct answer: thin membrane that forms a double layer around the heart
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biol 3320 lab exam 1 133 questions with complete