不同的器官可以共同努力执行一个共同的功能，就像消化系统的部分是如何分解食物的。我们将一个集成单元称为器官系统。器官系统组共同努力，使其类似，像我们一样！人体中有11个主要器官系统。
The循环系统是一个全身血液，血管和淋巴网网络。由心脏动力，它是含氧，激素和必需营养素的机器官的身体分配系统，有助于妥善营业。阅读更多.
Learn more about these body parts in the circulatory system:
Every tissue within the body requires oxygen to function. The呼吸系统, which includes air passages, pulmonary vessels, the lungs, and breathing muscles, provides oxygenated blood to the body tissues and removes waste gases.阅读更多.
了解有关呼吸系统中的这些身体部位的更多信息：
Thedigestive systemenables your body to convert food into usable nutrients through a chemical breakdown process. This occurs through a system of tube-like of organs, including the esophagus, stomach, liver, pancreas, and intestines.阅读更多.
Learn more about these body parts in the digestive system:
Theskeletal systemgives the body its basic framework, providing structure, protection, and movement. The 206 bones in the body also produce blood cells, store important minerals, and release hormones necessary to life.阅读更多.
Themuscular systemis comprised of the sum total of muscles throughout the body that move the skeleton, maintain posture through steady contraction, and generate heat through cell metabolism. Humans have three types of muscle.阅读更多.
Thenervous systemallows us to perceive, comprehend, and respond to the world around us. The nervous system also operates the body’s essential physiologic functions, such as breathing and digestion.阅读更多.
Learn more about these body parts in the nervous system:
Thefemale reproductive systemencompasses all necessary female organs needed to conceive and bear a child.阅读更多.
Learn more about these body parts in the female reproductive system:
Themale reproductive systemconsists of a series of organs used during sexual intercourse and procreation. The primary organs are the gonads, or sex glands, which produce sperm. In men, these are the testes.阅读更多.
Learn more about these body parts in the male reproductive system:
