11 grade biology others
Which of the following statement(s) is( are ) true for respiration.a. During respiration, ribs move inwards, and diaphragm raise.b. In the alveoli, exchange of gases take place, i.e. oxygen from alveolar air diffuses into blood and carbon dioxide from blood into alveolar air. c. Haemoglobin has a greater affinity for oxygen than carbon dioxide.d. Alveoli increases the surface area for the exchange of gases.A. ( a ) and ( d )B. ( b ) and ( c )C. ( a ) and ( c )D. ( b ) , ( c ) and ( d )
Which of the following statement(s) is( are ) true for respiration.a. During respiration, ribs move inwards, and diaphragm raise.b. In the alveoli, exchange of gases take place, i.e. oxygen from alveolar air diffuses into blood and carbon dioxide from blood into alveolar air. c. Haemoglobin has a greater affinity for oxygen than carbon dioxide.d. Alveoli increases the surface area for the exchange of gases.A. ( a ) and ( d )B. ( b ) and ( c )C. ( a ) and ( c )D. ( b ) , ( c ) and ( d )
