You do realise whatever your blood absorbs in your lugs is distributed throughout your body? Some tissues will absorb certain types of chemicals more so than others.

You’re right though, nicotine is a CNS stimulant, which by definition does indeed constrict peripheral blood vessels, and raise blood pressure.

However, it is well documented that tobacco smoke contains many nastiest.

Check out the Health section here:

https://en.wikipedia.org/wiki/Tobacco_smoking

And well documented that wood smoke, and smoke from burning plant matter more generally, is a health hazard, and not just from the acute carbon monoxide risk.