The set-up in diagrams I and II illustrate breathing mechanisms in mammals
(a) Name the structures in mammals that are equivalent in function to the parts labelled (i) glass tube (ii) bell jar (iii) balloons (iv) rubber sheets (v)A (vi) B.
(b) Name the processes illustrated by diagrams (i) I (i)
(c) In which of the bell jars is the pressure lower?
(a) (i) Trachea (ii) Rib cage (ii) Lungs (iv) Diaphragm (v) Bronchus (vi) Pleural cavity
(b) (i) Inhalation (inspiration or breathing in) (ii) Exhalation: (expiration or breathing out)
(c) In1
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