Gemma Young and Mark Levesley Solutions for Exercise 29: End of chapter review
Gemma Young Science Solutions for Exercise - Gemma Young and Mark Levesley Solutions for Exercise 29: End of chapter review
Attempt the free practice questions from Exercise 29: End of chapter review 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 29: End of chapter review with Hints & Solutions
Describe the functions of platelets.

Which parts of your respiratory system move to make your chest volume increase?

Explain why air flows into your lungs when your chest volume increases?

A student breathes in and out 7 times in 30 seconds. Calculate the breathing rate.

Draw a labelled diagram to explain how specialised cells in the tubes of your lungs to keep them clean.

Explain what happens if the specialised cells in the tubes of our respiratory system stop working.

Carbon monoxide is a poisonous gas. It sticks to haemoglobin. This stops other substances from sticking to haemoglobin. One of the early symptoms of carbon monoxide poisoning is an increase in breathing rate. Explain this symptom.

An increase in temperature increases the speed of diffusion. Explain why plants are more likely to wilt in very hot weather.
