a) Outline the function of the respiratory system. b) (i) Name five parts of the respiratory system. (ii) State the function of any two of the parts that you have named. c) List three reasons why people begin to smoke. d) Suggest some harmful effects of smoking on the body. e) Explain the term 'passive smoking'.

Junior Cycle Home Economics The Human Body: a) Outline the function of the r

a) Outline the function of the respiratory system - Junior Cycle Home Economics - Question 4 - 2015

Question 4

a) Outline the function of the respiratory system. b) (i) Name five parts of the respiratory system. (ii) State the function of any two of the parts that you have ... show full transcript

Worked Solution & Example Answer:a) Outline the function of the respiratory system - Junior Cycle Home Economics - Question 4 - 2015

Step 1

Outline the function of the respiratory system.

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Answer

The primary function of the respiratory system is to facilitate gas exchange between the body and the environment. This includes:

Oxygen intake: The system inhales oxygen from the atmosphere, which is essential for cellular respiration.
Carbon dioxide exhalation: It expels carbon dioxide, a waste product of metabolism, thus helping to maintain the body's pH balance.
Moisture and temperature regulation: The respiratory system humidifies and warms inhaled air, protecting the delicate tissues of the lungs.

Step 2

Name five parts of the respiratory system.

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Answer

Nose
Mouth
Larynx
Trachea (windpipe)
Bronchi

Step 3

State the function of any two of the parts that you have named.

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Answer

Nose: The nose filters the air, warms it, and moistens it before it enters the lungs.
Larynx: The larynx produces sound (voice) and is involved in the airway passage, protecting the trachea against food aspiration.

Step 4

List three reasons why people begin to smoke.

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Answer

Curiosity: Many individuals start smoking out of curiosity to experience something new.
Image: Some people smoke to enhance their social image or to appear more mature.
Peer pressure: Friends or social circles can pressure individuals into smoking, especially during adolescence.

Step 5

Suggest some harmful effects of smoking on the body.

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Answer

Respiratory diseases: Smoking can lead to chronic bronchitis and emphysema.
Cardiovascular problems: It increases the risk of heart disease and high blood pressure.
Cancer: Smoking is a leading cause of lung cancer and is linked to several other types of cancer.

Step 6

Explain the term 'passive smoking'.

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Answer

Passive smoking refers to the involuntary inhalation of smoke by individuals who are not actively smoking. Non-smokers inhale secondhand smoke, which can expose them to the same harmful chemicals and health risks associated with smoking, including respiratory issues and an increased risk of cancer.

a) Outline the function of the respiratory system - Junior Cycle Home Economics - Question 4 - 2015

Worked Solution & Example Answer:a) Outline the function of the respiratory system - Junior Cycle Home Economics - Question 4 - 2015

Outline the function of the respiratory system.

Name five parts of the respiratory system.

State the function of any two of the parts that you have named.

List three reasons why people begin to smoke.

Suggest some harmful effects of smoking on the body.

Explain the term 'passive smoking'.

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