Tar, carbon monoxide, nitrogen oxides, theyre harmful because they cling to the red cells in the blood and up to 15% of a smoker's blood may be carrying carbon monoxide round the body rather than oxygen.Smoking 'lower tar' cigarettes can increase the carbon monoxide levels as smokers inhale more deeply.Cigarette smoke has high levels of nitrogen oxide.
Hope that helps
A. Lungs because thats your respiratory system
Answer:
<em><u>The</u></em><em><u> correct</u></em><em><u> answer</u></em><em><u> is</u></em><em><u> </u></em><em><u>A.</u></em><em><u> </u></em>
<em><u>he </u></em><em><u>sensory </u></em><em><u>register</u></em><em><u> </u></em><em><u>is the conscious, reflective part of our mental system. </u></em>
Explanation:
<h3><em><u>Hope</u></em><em><u> </u></em><em><u>it </u></em><em><u>works</u></em><em><u> out</u></em><em><u> </u></em><em><u>!</u></em><em><u>!</u></em></h3>
Answer:
What do they ask? (collaboration) They ask for collaboration. What do students want? (go skiing) Who does not follow the game well? (my sister and I) What does the teacher repeat? (the explanation) Who says there is no excursion to the mountain? (us) Where do you get the art magazines? (the museum) Rewrite the sentences changing the subjects from singular to plural or vice versa. Follow the model, and remember to use correct capitalization and punctuation. Model He says what he thinks. They say what they think. I can not sleep. They always ask permission to leave. My friend never follows the instructions. You repeat the history test. We say that there is no problem.