On the other hand, the leaf of plant with no potassium hydroxide solution turns to blue black showing that starch is present in that leaf. where is transportation in plants human being ,plants The respiratory centre is sensitive to the concentration of carbon dioxide in the blood. The main organs of human respiratory system are: Nose, Nasal passage, Trachea (wind pipe), Bronchi, Lungs and Diaphragm. is a serve type of lung disease in which due to extensive cough walls of the While other part of leaf does not turn to blue black showing that no starch is present in this part of leaf. • The mode of nutrition in Amoeba is holozoic. We will try to respond to your comment as soon as possible. right bronchi and left bronchi. I am impressed with the topic explanationof chapter of biology in a beautiful and interesting way.❤❤❤❤❤, Sir your notes is so good likeas your teaching manner. In Biology Chapter 1 GASEOUS EXCHANGE 10th Class we provide all the solved Short and longs Questions with the help of examples. 6. The chest wall is made up of 12 pairs of ribs and the rib muscles called intercoastal muscles. The uncovered part of the leaf which received light turns to blue-black showing that starch is present in this part of the leaf. The digestion of food begins in the mouth itself. The fish has special organs for breathing called 'gills'. i = "0" + i; The energy released during respiration is used to make ATP molecules form ADP and inorganic phosphate. Now you will see that lime water in second test tube becomes slightly milky. ... Chemistry Chapter 1 Question Answers. (Physical digestion), The salivary glands in our mouth produce saliva (watery liquid) which contains an enzyme salivary amylase which digests the starch (carbohydrate) present in the food into sugar. Thanks a lot to give this note, Thnxxx a lot. 2. Pulp cavity: It has nerves and blood vessels. for building their body. Breathing is a physical process in Thanks a lot.notes are very helpful for me. breakdown of organic food material. Oxygen of the soil air diffuses through root hair and reaches all internal cells of the root for respiration. Plants also use oxygen of air for respiration and release carbon dioxide. This layer allow the gases exchange of 67% 67% found this document useful, Mark this document as useful. if (i < 10) { var day = ("0" + now.getDate()).slice(-2); thank you so much.... notes are very good but how can i download it? Prior to the discovery of antibiotics, one-third of pneumonia patients died from the infection. In the developing world, it is rising by per year as of 2002 Q.No. The breathing rate may increase upto 36 - 40 times per minutes, The breathing rate may increase upto 34 - 40 times per minute, shottness of breath, coughing up blood, and weight loss, a flap of tissue which guards the glottis. blood thin and lead to heart valve problems, blood viscous and leads to arterio-sclerosis, In emphysema the walls of alveoli break and there is more surface area, Gas exchange in lungs is very efficient because lungs provide large surface area, Dust particles can damage the lung by irritating the inner alveoli surface, Gases can easily pass through the walls of the alveoli. The air moves from the pharynx into the larynx or voice box. As the blood passes through the tissues of the body, the oxygen present in it diffuses into the cells. • The digested food diffuses out to reach to the entire body. The percentage of respiratory disorders is higher in Pakistan because of the more concentration of air pollutants not only in the urban but also in rural atmosphere.

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