What's the solution?A person has fainted and a crowd ofpeople has surrounded him.Use your brain power!(a) Why do we sometimes chokesuddenly while eating?(b) How is the air that we inhalepurified in our body?Fill in the blanks.gas is transported to allparts of the body.(b) The stomach is like aMatch the following.Group AGroup B(1) Lungs (a) Circulation(2) Stomach (b) Respiration(3) Heart(c) Co-ordination(4) Brain(d) Digestion5. Answer the following questions(a) Name the systems that carry out thedifferent functions of the body.(b) Describe how the exchange ofoxygen and carbon dioxide gasestakes place in the lungs.(c) Why do we call saliva a digestivejuice?6. Choose the appropriate word fromthe brackets.(circulation, trachea, diaphragm)(a) Respiration takes place because ofits up and down movement.(b) The process of keeping the bloodflowing continuously throughout thebody.(c) Air that enters through the nosepasses into this tube.​