During a spring ride, the positions of the sun, Earth, and the moon from a

glycolysis is a process that fuel your metabolism. it is apart of cellular respiration the process that produce atp.

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

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blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.