Which of the following statements is correct?
Which one of the following is the correct statement for respiration in humans?
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Given below are few respiratory disorders. Identify occupoational respiratory disorders among these.
(i) Coryza
(ii) SARS
(iii) Silicosis
(iv) Asbestosis
(v) Emphysema
Read the following four statements carefully.
(i) Asthma is a difficulty in breathing causing wheezing due to inflammation of bronchi and bronchioles.
(ii) The part of the respiratory system starting with the external nostrils up to the terminal bronchioles constitutes the respiratory or exchange part of the respiratory system.
(iii) During swallowing epiglottis can be covered by a thin elastic cartilaginous ilap calied glottis to prevent the entry of food into the larynx.
(iw) Binding of oxygen with haemoglobin is primarily related to partial pressure of O2. Which of the above two statements are correct?
Emphysema is a condition resulting from
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