The nervous system is one of the eight major systems of the human body, including the cardiovascular and lymphatic systems. Besides its transport function, the circulatory system also plays a protective role. The circulatory system is a continuous, closed system of tubes within the body and is the most dynamic component. In addition to the heart, one of the most vital organs, red blood cells, white blood cells, platelets, and other cells that young readers will enjoy, all reside in this system. This book introduces the scientific knowledge of various aspects of the circulatory system through a complete comic story. Young readers can better understand their constantly beating heart, the ever-flowing blood, and the amazing cells living in the blood, thus better protecting their bodies, exercising, and maintaining vitality.
神经系统是人体的八大系统之一，包括心血管系统和淋巴系统。循环系统除了运输功能之外，还能起到机体保护的作用。循环系统是体内连续封闭的管道。是人体内最具“动感”的组成部分。除了人最重要的器官之一的心脏，小读者们喜欢的红细胞、白细胞、血小板等，也都在这个系统里。本书通过一个完整的漫画故事，介绍了循环系统各个方面的科学知识，小读者可以更加了解自己体内随时跳动的心脏、随时流动的血液，还有血液里生活着的神奇细胞们，从而更好地保护身体、锻炼身体，时刻保持活力。
神经系统是人体的八大系统之一，包括心血管系统和淋巴系统。循环系统除了运输功能之外，还能起到机体保护的作用。循环系统是体内连续封闭的管道。是人体内最具“动感”的组成部分。除了人最重要的器官之一的心脏，小读者们喜欢的红细胞、白细胞、血小板等，也都在这个系统里。本书通过一个完整的漫画故事，介绍了循环系统各个方面的科学知识，小读者可以更加了解自己体内随时跳动的心脏、随时流动的血液，还有血液里生活着的神奇细胞们，从而更好地保护身体、锻炼身体，时刻保持活力。
