Answer the following: [3 MARKS]
(1) When does a person need artificial respiration?
(2) From where can a person get the supply of oxygen for artificial respiration?
(3) Is artificial respiration needed temporarily or permanently?
Answers: 1 Mark each
(1) During emergency conditions (e.g. Lung failure) when lungs don't work properly, artificial respiration is required.
(2) The victim gets the oxygen through ventilators which act as artificial lungs.
(3) The person is kept on artificial respiration temporarily, until he regains his health and starts breathing naturally.