Describe How Different Parts of the Body Are Used for Breathing
iThe lungs, ribs and diaphragm are essential for breathing.
iiReducing the chest volume expels air from the lungs.
iiiSmoking is implicated in a range of illnesses.
ivCollect evidence about the effect of smoking and how it causes disease.
Scientific enquiry
vUse and evaluate data from secondary sources. (Framework YTO Sc1 8d)
Suggested alternative starter activities (5–10 minutes)
Recap last lesson / Share learning objectives / Brainstorming / Capture interest (1) / Capture interest (2)
Pupils list all the activities that they have done since the last lesson that could have improved their fitness. /
- Describe how different parts of the body are used for breathing.
- Recognise how smoking affects the body.
- Use secondary sources. (Sc1)
Catalyst Interactive Presentations 3 / Demo of smoking machine experiment. / Pupils work in groups to collect data on which family members smoke, how many each day, and their age and sex. Pupils may need to be informed of this activity during the previous lesson.
Suggested alternative main activities
Activity / Learning objectives see above / Description / Approx.
timing / Target group
C / H / E / S
Textbook B2 / i, ii and iii / Teacher-led explanation and questioning OR Pupils work individually, in pairs or in small groups through the in-text questions and then onto the end-of-spread questions if time allows. / 20 min / R/G / G / R / S
Activity B2a
Practical / i and ii / Lungs Demonstration lung dissection and then pupils make a model lung. / 30 min /
Activity B2b
Paper / iii, iv and v / Why smoke? Pupils produce a leaflet or presentation, to persuade teenagers not to start smoking. / 20 min /
Activity B2c
Discussion / iv and v / For and against smoking Pupils compare data sources for subject bias and objectivity and determine how reliable the data source is. / 20 min /
Activity B2d
Catalyst Interactive Presentations 3 / i and ii / Support ICT simulation to see the movements in the chest cavity associated with breathing. / 10 min /
Suggested alternative plenary activities (5–10 minutes)
Review learning / Sharing responses / Group feedback / Word game / Looking ahead
Review the problems caused by smoking and giving up. / Collate results and conclusions from the Starter Capture interest (2). / In groups, pupils share what they have found out from Activity B2a. / Pupils do a true/false quiz. / Pupils write a definition of what they think a drug is and then feed back ideas to the whole class.
Learning outcomes
Most pupils will … / Some pupils, making less progress will … / Some pupils, making more progress will …
- be able to use secondary sources of information.
- be able to describe some effects of smoking on the body’s organ systems.
- know about secondary sources of information.
- be able to describe some of the effects of smoking on the body.
- compare secondary sources of information.
- be able to describe the damage caused by smoking on the body’s organ systems.
Key words / Out-of-lesson learning
red only: haemoglobin, ciliated epithelial cell / Homework B2
Textbook B2 end-of-spread questions
Activity B2b
Activity B2c
© Harcourt Education Ltd 2004 Catalyst 3
This worksheet may have been altered from the original on the CD-ROM.