Health (can someone plz check my answers??)

1. The functions of the respiratory system are... (there are two answers)
A. To pump blood to the body
B. To deliver oxygen to the body***
C. To remove carbon dioxide from the body***
D. To absorb nutrients

2. The dome-shaped muscle that lies below the lungs and is important in the breathing process is the...
A. alveoli
B. asthma
C. Bronchi
D. diaghragm***

3. The exchange of Carbon dioxide and oxygen takes place in the...
A. Alveoli***
B. asthma
C. Bronchi
D. Diaghtagm

4. _____ is a substance in tobacco products that causes stained teeth and skin
A. Nicotine
B. Carbon monoxide
C. Tar
D. Menthol

5. _______ is a substance in tobacco smoke that reduces the blood's ability to carry oxygen.

A. Tar
B. Nicotine
C. Asthma
D. Carbon monoxide

The last 2 I got confused with. Plz help!

asked by Anonymous
  1. I think 4. is C and 5. is D? Not sure though

    posted by Anonymous
  2. All of your answers are right. :-)

    posted by Ms. Sue

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