circulatory system 循環系統 - The system that moves blood around the body., artery 動脈 - A blood vessel that carries blood away from the heart., capillary 微血管 - A tiny blood vessel where oxygen and nutrients move into cells. , vein 靜脈 - A blood vessel that carries blood back to the heart., lymph 淋巴 - Fluid that helps fight germs and return extra fluid to the blood., bronchi 支氣管 - Tubes that carry air from the trachea into lungs., alveoli 肺泡 - Tiny air sacs in the lungs where gas exchange happens., excretion 排泄 - Removing waste from the body., nephron 腎元 - A tiny filter inside and the kidney that cleans the blood., contract 收縮 - To become smaller or tighter (like when muscles squeeze)., blood pressure 血壓 - The force of blood pushing on blood vessel walls., diffusion 擴散 - Movement of particles from where there is more to where there is less., ureters 輸尿管 - Tubes that carry urine from the kidneys to the bladder., bladder 膀胱 - The organ that stores urine., urethra 尿道 - The tube that carries urine out of the body., sweat 流汗 - Liquid from the skin that removes extra water and salt., carbon dioxide 二氧化碳 - A waste gas your lungs remove when you breathe out., diaphragm 橫膈膜 - A muscle under the lungs that helps you breathe.,

Science 3.4

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