NUTRITION
THE HUMAN BODY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Major organs of the circulatory system
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Major organ of the respiratory system
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Major organs of the digestive system
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3 main kinds of muscles in the muscular system
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Detailed explanation-1: -The respiratory system takes up oxygen from the air we breathe and expels the unwanted carbon dioxide. The main organ of the respiratory system is the lungs. Other respiratory organs include the nose, the trachea and the breathing muscles (the diaphragm and the intercostal muscles).
Detailed explanation-2: -The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels.
Detailed explanation-3: -The lungs are the centerpiece of your respiratory system. Your respiratory system also includes the trachea (windpipe), muscles of the chest wall and diaphragm, blood vessels, and other tissues. All of these parts make breathing and gas exchange possible.
Detailed explanation-4: -The respiratory tract is divided into two main parts: the upper respiratory tract, consisting of the nose, nasal cavity and the pharynx; and the lower respiratory tract, consisting of the larynx, trachea, bronchi and the lungs.