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April 18, 2014

Homework Help: 7th grade health please help Ms. Sue!

Posted by Delilah on Wednesday, February 6, 2013 at 6:37pm.

1.
Which substance found in tobacco is a drug that speeds up the heartbeat? (1 point)

Tar
Carbon monoxide
Nicotine
Emphysema

2.
Which substance found in tobacco causes emphysema, a disease of the lungs? (1 point)

Tar
Carbon monoxide
Nicotine
Secondhand smoke

3.

Which substance found in tobacco is a highly addictive drug?
(1 point)

Tar
Carbon monoxide
Nicotine
Secondhand smoke

4.
Which part of the body is NOT affected by tobacco? (1 point)

Respiratory system
Circulatory system
Teeth
Tobacco affects the whole body

5.
This is a poisonous, odorless gas produced when tobacco burns (1 point)

carbon monoxide
snuff
tar
emphysema

My answers:
1. Nicotine
2. Tar
3. Nicotine
4. Circulatory system
5. carbon monoxide

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