Tick the correct answer:
(a) In cockroaches, air enters the body through
(i) lungs
gills
(iii) spiracles
(iv) skin
(b) During heavy exercise, we get cramps in the legs
due to the accumulation of
(i) carbon dioxide
lactic acid
alcohol
(iv) water
(c) Normal range of breathing rate per minute in an
average adult person at rest is
(i) 9-12
(ii) 15-18
(iii) 21-24
(iv) 30-33
(d) During exhalation, the ribs
(i) move outwards
(ii) move downwards
(iii) move upwards
(iv) do not move at all
Tick the correct answer:
(a) In cockroaches, air enters the body through
(i) lungs
gills
(iii) spiracles
(iv) skin
(b) During heavy exercise, we get cramps in the legs due to the accumulation of
(i) carbon dioxide
lactic acid
alcohol
(iv) water
(c) Normal range of breathing rate per minute in an average adult person at rest is
(i) 9-12
(ii) 15-18
(iii) 21-24
(iv) 30-33
(d) During exhalation, the ribs
(i) move outwards
(ii) move downwards
(iii) move upwards
(iv) do not move at all
(a) In cockroaches, air enters the body through
(i) lungs
gills
(iii) spiracles √
(iv) skin
(b) During heavy exercise, we get cramps in the legs
due to the accumulation of
(i) carbon dioxide
lactic acid √
alcohol
(iv) water
(c) Normal range of breathing rate per minute in an
average adult person at rest is
(i) 9-12
(ii) 15-18 √
(iii) 21-24
(iv) 30-33
(d) During exhalation, the ribs
(i) move outwards
(ii) move downwards √
(iii) move upwards
(iv) do not move at all
(a) In cockroaches, air enters the body through
(i) lungs
gills
(iii) spiracles √
(iv) skin
(b) During heavy exercise, we get cramps in the legs due to the accumulation of
(i) carbon dioxide
lactic acid √
alcohol
(iv) water
(c) Normal range of breathing rate per minute in an average adult person at rest is
(i) 9-12
(ii) 15-18 √
(iii) 21-24
(iv) 30-33
(d) During exhalation, the ribs
(i) move outwards
(ii) move downwards √
(iii) move upwards
(iv) do not move at all
