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所在平台: Udemy |
课程主页: https://www.udemy.com/course/explore-biology-dr-bhargavidade/
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Coursera 课程《探索生物学》（Dr. Bhargava 教授）内容总结： 本课程深入介绍了人体的主要器官系统，重点讲解了循环系统、排泄系统、呼吸系统、淋巴系统和消化系统。 **循环系统：** 课程将心脏比作“不辞辛劳的工作狂”，详细阐述了其令人难以置信的一生职责——不间断地将富含氧气和营养的血液泵送到全身各处。内容涵盖了人体循环系统的结构和功能，以及心脏的工作原理和内部构造。 **排泄系统：** 本部分解释了排泄系统作为生物体排泄废物的功能，强调了其在维持体内稳态（homeostasis）过程中排除体内有害物质的重要性。 **呼吸系统：** 课程阐述了呼吸系统是一系列负责体内气体交换的器官。它解释了在有氧呼吸（aerobic respiration）过程中氧气的作用，以及在某些情况下（如剧烈运动）身体可能无法获得足够氧气进行有氧呼吸，但生存依然离不开通过呼吸获取能量。 **淋巴系统：** 淋巴系统被描述为支持心血管功能的系统。它通过淋巴管网络收集、过滤并最终将组织液（interstitial fluid）重新输送回血液循环。此外，淋巴系统在抵抗感染方面也发挥着关键作用。 **消化系统：** 课程详细讲解了人体消化系统，这是一个将食物分解为可被吸收的小分子，并将其吸收到体内供身体利用的过程。内容将穿越食物在消化道中的旅程，包括器官的结构、食物如何被吸收并输送到全身。课程还将涵盖废物排泄的途径以及其他为消化过程提供必要消化液的器官。
Biology Organ systems course-Circulatory system,Excretory system, Respiratory system, Lymphatic System, Digestive systemCirculatory system-The heart is workaholic, Throughout our lifetime, it tirelessly pumps oxygen and nutrient-rich blood to all our body parts. This video explains the structure and function of the human circulation system. It explains how the human heart works and its structure.Excretory system-The excretory system is the system of an organism's body that performs the function of excretion, the bodily process of discharging wastes. The Excretory system is responsible for the elimination of wastes produced by homeostasis.Respiratory system-The respiratory system refers to the series of organs responsible for gas exchange in the body, which occur in presence of oxygen(aerobic respiration) and sometimes animals and plants cannot get enough oxygen to respire aerobically, such as during intense exercise, but they still need to respire to survive. After all, everything relies on the respiration for energy.Lymphatic system-Lymphatic System supports cardiovascular function by collecting, filtering, and returning interstitial fluid back into the bloodstream via a system of lymphatic vessels. It also plays a major role in fighting infections. Digestive system-Human Digestive System, the system used in the human body for the process of digestion. Digestion involves the breakdown of food into smaller and smaller components until they can be absorbed and assimilated into the body. I will be explaining the structures and the organs through which food passes through the system and gets absorbed into the blood and is distributed all over the body. The system also consists of structures through which waste passes in the process of elimination and other organs that contribute juices necessary for the digestive process.
