Gemma Young and Mark Levesley Solutions for Exercise 20: Exercise 20
Gemma Young Science Solutions for Exercise - Gemma Young and Mark Levesley Solutions for Exercise 20: Exercise 20
Attempt the free practice questions from Exercise 20: Exercise 20 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 8 : Student's book solutions are prepared by Experienced Embibe Experts.
Questions from Gemma Young and Mark Levesley Solutions for Exercise 20: Exercise 20 with Hints & Solutions
In the lungs of a smoker, why do the cilia stop working?
Explain why long-term smokers are more likely to get lung infections.
Coughing, and the substances in the smoke can destroy alveoli. This causes people to feel breathless because of poor gaseous exchange. Explain why the destruction of alveoli causes poor gaseous exchange.
Describe one instant effect that nicotine has on your body.
Explain how nicotine damages the circulatory system with time.
What is a cancer tumour?
Lung tissue is pink. Why is the tissue not pink in the lung given in the below picture?
Look at the graph and answer the questions:
What type of graph is this? Describe the correlation shown.
