1. the exchange of carbon dioxide and oxogen takes place in the

A. alveoli****
B.asthma
C.bronch
D.diaphragm

2. _______ is a substance in tabacco products that causes stained teeth and skin.
A.nicotine
B.carbon monoxide****
C.tar
D.menthol

3. _______ is a substance in tabacco smoke that reduces the bloods ability to carry oxygen.
A.tar
B.nicotine***
C.asthma
D.carbon manoxide

it would really help if anyone could help me and im in connections academy

5 answers

can you help at all
anyone
took the test an now i know the answers so #1 is A
#2 is c tar
and #3 is D
so glad that i could help
i got a 66 thx people for no help
1) to deliver oxygen to the body- to remove carbon dioxide from the body {B,C}
2) diaphragm {D}
3) alveoli {A}
4) Tar {C}
5) Carbon monoxide {D}

sorry i couldn't help u earlier k.c undercover