Many things, to include 'first hand smoke'.
When you breath in the cigarette/cigar/pipe/pot/hookah smoke, you are inhaling. When you breathe out you are exhaling. Sometimes exhaling can be called "making smoke rings" if you try to do something fancy with your breath.
breathing but breathing along with cellular respiration would be called respiration
Breathing
The act of breathing air into the lungs is simply called breathing. From the lungs, the air is transferred into the blood stream and moved to the other parts of the body.
Breathing without air is called apnea. It refers to a temporary cessation of breathing, typically during sleep.
No one ciggarette is nothing you get more damage by breathing the air in your house than from one ciggarette
The breathing pipe in humans is called the trachea, which connects the throat to the lungs and allows air to pass in and out of the body.
At the time of breathing diaphragm streaches and air comes in containing oxygen, as diaphragm constricts air containing carbon di oxide air comes out.This process is called as breathing.
An inward breath is called inhalation. It is the process of breathing in air into the lungs.
The intake of air into the lungs is called ihhaling (inhalation). Another medical term is aspiration(used more specifically to mean fluids that are inhaled into the lungs).
Respiration or breathing. respiration is the more scientific term. The scientific formula for respiration is O2+C6H12O6(glucose)=CO2+H2O
by convection