v. Test your knowledge of the flow of blood through the heart by placing the following cardiac events in the proper order. The first step has been provided to get you started. Arrange the subsequent events by inserting the numbers 2 through 18 in the spaces provided. Deoxygenated blood flows through the superior and inferior vena cava and into the right atrium. A. Blood fills the left atrium. _B. The right atrium contracts. _C. The pulmonary valve closes. D. Blood leaves the lungs via the pulmonary veins. _E. The left atrium contracts. F. The pulmonary valve opens. _G. Blood flows into the aorta for distribution throughout the body. H. The mitral valve closes. I. The left ventricle contracts. J. The aortic valve opens. _K. The right ventricle contracts. L. The tricuspid valve opens. M. Rinod is pumped into the right and left pulmonary arteries and into the lungs. N. Blood fills the left ventricle. O. The mitral valve opens. P. Blood flows into the right ventricle. Q. The tricuspid valve snaps closed

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