Question

transportation in human beings notes
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Answer 1

• In humans, transportation of oxygen nutrients, hormone and other substances to tissue, CO2 to the lungs and waste products to the kidneys is carried out by a well-defined Circulatory System. In lower organisms material is transported by diffusion.
• Transportation is very important for human being as it helps in providing nutrition to each and every cell, part, organ,tissue etc. it also contains transport of oxygen which is most important without which no human being can survive.
• The two types of transport system in human beings are: Lymphatic system. Blood vascular system. Lymphatic system is an important is an important part of the both vascular and immune system.
• The primary function of transportation is the transfer of messages and information. It is also needed for rapid movement of troops in case of emergency and finally movement of persons and goods. The political decision of construction and maintenance of roads has resulted in the development of transportation system.
• Transportation refers to any vehicle or activity that moves people and goods from one place to another. In the United States, key modes of transportation for people and goods include buses, trains, trucks, cars, airplanes, and other forms of motorized vehicles.