Drag each label to the correct location on the image. Each label can be used more than once. The position-time graph describes the motion of a moving object. Describe the motion represented by each segment of the graph. not moving constant velocity positive acceleration negative acceleration 80 F 60 E Position (m) 40 20 A B. 10 20 30 40 50 60 70 80 90 100 X Time (s) PLEASE HELP!

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

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Read the article and use the information to answer the following questions. active transport in active transport, molecules are moved across the cell membrane with the of neurons electrical impulses proteins. inhibitors 3 of 3 vity