HELP

1aWrite down the label letter from the diagram with the correct name for the part. Use the names below.

bFor each statement below say whether it is true or false.

iWhen air goes into the lungs the ribcage lifts up and out.

ii When we breathe out our diaphragm tightens and moves down.

CORE

2Table 1 gives some data about deaths from different causes in 2000 in the UK. Table 2 gives data about deaths from illnesses related to smoking in 2000. Table 3 gives some statistics about the ages of people who smoke regularly.

Table 1Table 2

Cause of death / Deaths per year
Road accidents / 3 391
Other accidents / 8 933
Poison/overdose / 3 157
Murder & manslaughter / 495
Suicide / 4 485
HIV/AIDS / 180
Smoking-related / 120 000

Table3

Year / Age group / % of population who are regular smokers
% male / % female / % of all
1974 / All ages / 51 / 41 / 46
1999 / 11 years old / 1
15 years old / 25
11–15 years old / 8 / 11 / 9
20–24 years old / 38
Over 60 / 16
2002 / All ages / 28 / 26 / 27

aWhat causes the greatest number of deaths per year?

bWhich major illnesses are most affected by smoking?

ciWhat total percentage of all listed deaths, in Table 1, is not due to smoking? Show how you reached your answer.

iiWhat percentage of all the listed deaths is smoking-related?

dHow has the percentage of smokers changed since 1974?

eHow has the balance of male and female smokers changed since 1974?

fiWhich age group, in 1999, had the greatest number of smokers?

iiIn what way are the numbers of smokers in 1999 different for teenagers, compared with the 20–24 age range?

EXTENSION

3In general, smoking has decreased significantly since the early 1970s, from almost half the population admitting they were regular smokers in 1974 to about a quarter today.

aSuggest a reason why there are fewer regular smokers today than 30 years ago.

bIn the over 60 age group today, only around 16% of people are regular smokers. Suggest two reasons why the figure for this age group is so much lower than for the population as a whole.

4Cigarette smoke has a variety of effects on the lungs and the rest of the body.For each component of cigarette smoke given below say how it affects the body.

aTarbNicotinecCarbon monoxide

© Harcourt Education Ltd 2004 Catalyst 3

This worksheet may have been altered from the original on the CD-ROM.