Evaluate the strengths and weaknesses of the given figure. Enable Ginger Cannot connect to Ginger Check your internet connection or reload the browser Disable in this text field Rephrase Rephrase current sentence Edit in Ginger ×

The given figure represents the mechanism of breathing. The balloon represents the lungs, the glass tube represents the respiratory tract, the elastic membrane represents the diaphragm and the bell jar represents the chest cavity. The strengths of the given figure are that the image perfectly represents the working of the lungs during inhalation and exhalation. The weaknesses of the given figure are that it does not represent the working of the intercostal muscles, rib cage, and it does not give an idea about the parts of the respiratory tract.

E M B I B E

Cambridge Lower Secondary Science Stage 8 : Student's book>Biology>Chapter 2 - Respiration and Circulation>Exercise 17

Gemma Young and Mark Levesley Solutions for Exercise 17: Exercise 17

Author:Gemma Young & Mark Levesley

Gemma Young Science Solutions for Exercise - Gemma Young and Mark Levesley Solutions for Exercise 17: Exercise 17

Attempt the free practice questions from Exercise 17: Exercise 17 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 8 : Student's book solutions are prepared by Experienced Embibe Experts.