The part of brain which control the breathing system is………
a) cerebellum
b) medulla
c) olfactory bulb
d) cerebella
During exercise the breathing rate increase up to …..times per minute.
a) 30-40
b) 10-20
c) 50
d)15-30
Oxygen present in inspired air is……percent
a) 22
b) 10
c) 25
d) 21
Oxygen present in expired air is……percent
a) 17
b) 10
c) 25
d) 16
CO2 present in expired air is……….....percent.
a) 1
b) 5
c) 8
d) 4
CO2present in inspired air is……….…percent.
a) 1.5
b) 5.002
c) 0.04
d) 0.03
16%
by at 2024-03-28 20:06:06