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Unoxygenated blood from veins enters the right atrium then it goes down to the right ventricle then out through the pulmonary artery to the lungs where it becomes oxygenated blood which then enters the heart through the pulmonary veins and it goes to the left atrium and then is pumped down to the left ventricle and out through the aorta to the arteries where it travels to different organs and becomes deoxygenated and then the cycle repeats itself.
Answer:
Motion is a change in position measured by distance and time. Speed tells us the rate at which an object moves.
Answer:
Explanation:
Yes. They both have a cell membrane. They have many organelles that animal cells have and a cell membrane is one of the few similarities.
