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The diagram shows some of the structures in a human lung. Where is the carbon dioxide concentration highest? Support your answer with the scientific details required.

The Diagram Shows Some Of The Structures In A Human Lung Where Is The Carbon Dioxide Concentration Highest Support Your Answer With The Scientific Details Requi class=

Sagot :

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Answer:

W - Facilitates movement of air by expansion and contraction, X - Traps dust and helps to filter inhaled air, Y - Prevents the wind pipe from collapsing, Z - Help in exchange of gases.

Explanation:

Diaphragm is the muscle that separates the thoracic cavity from the abdomen. The diaphragm is the main muscle of respiration. Contraction of the diaphragm muscle expands the lungs during inspiration when breathing air in. The function of the nasal cavity is to warm, moisturize, and filter air entering the body before it reaches the lungs. Hairs and mucus lining the nasal cavity help to trap dust, mold, pollen and other environmental contaminants before they can reach the inner portions of the body. The trachea, or windpipe, is a 5-inch long tube made of C-shaped hyaline cartilage rings lined with pseudostratified ciliated columnar epithelium. The trachea connects the larynx to the bronchi and allows air to pass through the neck and into the thorax. The rings of cartilage making up the trachea allow it to remain open to air at all times. Gas exchange of oxygen and carbon dioxide takes place in the alveoli. Oxygen from the inhaled air diffuses through the walls of the alveoli and adjacent capillaries into the red blood cells. The oxygen is then carried by the blood to the body tissues.

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The part of the lungs where Carbon Dioxide concentration is highest is in the part labeled A.

The entire diagram is called ALVEOLI.

This structure is a semi-permeable membrane wired with blood vessels on its walls. It is in these sacs that the body gives off carbon dioxide and takes in oxygen. The blood vessels which are wired around the sacs are called Capillaries.

The part labeled B is the pulmonary artery. It feeds de-oxygenated blood to the capillaries. Through the walls of the capillaries, the carbon dioxide is removed from the blood into the alveoli and takes up oxygen from the air in the alveoli. The oxygenated blood then moves back into the body via the pulmonary vein which is labeled D on the diagram.

Learn more about the structure of the human lung here:

https://brainly.com/question/13210870

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