Observe the diagram
the diagram showing respiratory system of a man and answer the questions that follow:
(1) Label the diagram.
ii) Which organ is called the voice box? 3)What is 'Adam's apple'?
4)How is the entry of dust and bacteria prevented during respiration? 5) What happens to the diaphragm during inspiration?
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2,Voicebox:Larynx
3,Adam's apple:A projection at the front of neck formed by cartilage..bone..in adolescent boys
4,Entry of bacteria and dust particles is prevented by mucous layer in the nostrils.
5,During Inspiration , Diaphragm moves upawards expanding it's concave side with dome shape
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