B2.1.8 - Smoking Flashcards Preview

SHHS - Science - B2.1 Health and Lifestyle - Year 8 > B2.1.8 - Smoking > Flashcards

Flashcards in B2.1.8 - Smoking Deck (16)
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1

Which health problems are associated with smoking?

- Cancer
- Breathing problems
- Heart attacks
- Strokes
- Bronchitis (chest infections)
- Emphysema (lung damage)

2

When someone breathes in a smokers cigarette smoke it is called...

passive smoking

3

Passive smoking can increase the risk of...

- breathing problems.
- blood circulation problems.

4

Should a woman smoke when pregnant?

No!

5

What can smoking when pregnant cause?

- Miscarriage
- Low birth weight

6

Smoking around a new born baby can increase the chances of the baby developing:

- Sudden infant death syndrome (cot death)
- Pneumonia (chest infection)
- Bronchitis (chest infection)

7

What are the 3 main chemicals found in cigarette smoke?

- Tar
- Nicotine
- Carbon monoxide

8

What is tar?

A stocky black chemical in cigarette smoke.
Coats the lungs and causes cancer.

9

Which drug is found in cigarette smoke?

Nicotine

10

What is the effect of nicotine on the body?

speeds up the nervous system, increases heart rate and narrows blood vessels.

11

A drug that speeds up the nervous system is called a...

stimulant

12

What is carbon monoxide?

- a toxic gas found in cigarette smoke.
- stops red blood cells carrying as much oxygen as they should.

13

How does smoking cause heart disease?

- Causes arteries to become blocked.
- This prevents blood flow - leading to heart attack or stroke.

14

How does smoking cause emphysema? (a lung disease)

- alveoli in lungs stop inflating properly when you breathe due to chemicals in cigarette smoke.
- they may also burst due to coughing.
- this reduces the amount of oxygen a person can take in, making the person breathless.

15

How does smoking cause lung (respiratory) infections?

1. Cilia are damaged/harmed/killed by tar.
2. Dust/smoke particles/mucus build up in lungs.
3. Bacteria can get into alveoli.
4. They reproduce and infect the lung.

16

Explain how ciliated cells keep the lungs clear from dust and mucus.

1. Ciliated cells have small hairs
2. They waft mucus up the trachea.
3. Dust gets caught in the mucus.
4. The dust and mucus is transferred up and swallowed.