Gastrointestinal System

The Gastrointestinal System can also be called as our digestive system. This system performs steps that are called mastication, ingestion, digestion, secretion, absorption, and excretion. There were many things that was discussed by the reporter like the mouth, where does the food go, and others that are related to the topic. I didn't understand anything that the reporter was saying but, thanks to sir Gregg I understand it pretty much.

Lymphatic System

ok. . . . .Lymphatic system is also like our second circulatory. . . It has 4 major components that is very important in our body. This system is both the transport system and barracks of our immune system. The system also includes all the structures dedicated to the circulation and production of lymphocytes, which includes the spleen, thymus, bone marrow and the lymphoid tissue associated with the digestive system.

. . .you can understand this lecture if you listen and know every structure of it. . . Because if you don't, it will be very hard to distinguish which is which.

Repiratory System

From what I've learned. . . .the respiratory system is responsible for bringing oxygen into our body and removing carbon dioxide that is not essential to our body. In this system, you can learn about ventilation and respiration, about the parts of the respiratory system and the upper and lower respiratory tract.

Suggestion. . . . . .well. . . . for easily understanding this system, you can look at pictures or graph and charts about the respiratory system so that you can determine and really understand the lecture.