Biology
Given below is an example of a certain structure and its special functional activity:
"Kidney and excretion"
Fill in the blanks on a similar pattern.
(a) Alveoli and ……………
(b) Mitochondria and ……………
(c) Epiglottis and ……………
(d) Pleura and ……………
(e) Diaphragm and ……………
(f) 'C' shaped cartilage rings and ……………
Respiratory System
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Answer
(a) Alveoli and gaseous diffusion.
(b) Mitochondria and cellular respiration.
(c) Epiglottis and swallowing food.
(d) Pleura and protection of the lungs.
(e) Diaphragm and breathing.
(f) 'C' shaped cartilage rings and support and strengthen trachea.
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What is the normal percentage composition of gases in inspired air and expired air respectively?
Match the items in Column I with the ones most appropriate in Column II. Rewrite the matching pairs:
Column I Column II (a) Alveoli (i) where aerobic respiration takes place (b) Bronchioles (ii) lined with hair (c) Nasal chamber (iii) diffusion of gases (d) Bronchi (iv) small air tubes (v) An inverted Y-shaped tube (vi) A common passage for food and air Match the items in Column A with those in Column B.
Column A Column B Cartilaginous Epiglottis Large surface area Diaphragm Breathing movements Bronchi Voice Alveoli Complemented air larynx Swallowing Extra inhalation State one function of each of the following:
Ciliated epithelium lining the respiratory tract