The Respiratory System
*questions posted below*

Question

anonymous · Answer

1. The functions of the respiratory system are (select all that apply)
a. to pump blood to your 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. diaphragm

3. The exchange of carbon dioxide and oxygen takes place in the
a. alveoli
b. asthma
c. bronchi
d. diaphragm 

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

somy · Answer

and what do you think? what are your choices?

one098 · Answer

@SkewlWhizad Welcome to Openstudy!! Please only post one question per post and at least give each question a try. Thank you!

shrutipande9 · Answer

http://en.wikipedia.org/wiki/Respiratory_system this is going to help u...try to attempt the questions..if something goes wrong we can help u