Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Biology Human Physiology Respiratory System
Which of the following is removed from our body by the lungs?
1
CO2 only
2
H2O only
3
CO2 and H2O
4
More than one of the above
5
None of the above