it comes form your lungs when they mix oxgeyn with the blood the moisture is not blood
okay so your breath is hot and the air is cold so they mix... there is also moisture in your breath so the moisture in your breath might be condensing right in front of you!
Glass is usually cooler than your breath. Breath contains moisture that condenses on the glass.
Do not allow it to come into contact with the skin, do not ingest it, do not breath in.
Cohesion and Adhesion. Adhesion is the property of water that makes it stick to other substances. For example, water on glass. Cohesion is the property of water that makes water stick to itself. For example, water droplets. Now you breath and the air has trace amounts of moisture, so when you breathe out, the moisture go from your mouth to the glass, and due to adhesion, it stays there for a while.
When it gets cold out side and someone breathes and sees their breath they are viewing oxygen. They see it do to the particles of moisture in the air and the cold verses hot air.
okay so your breath is hot and the air is cold so they mix... there is also moisture in your breath so the moisture in your breath might be condensing right in front of you!
The cold causes the moisture in your breath to condense, making it visible.
Earthworms breath by absorbing oxygen through their skin from the moisture in the ground. After heavy rain soaks into the ground it can lose the oxygen in it and the worms can not breath. They come to the surface as not to suffocate. Earthwormsinfo
Your breath contains moisture. On a cold day the warm moisture in your exhaled breath enters the cold air outside your body and forms a "fog" made of small droplets of water.
Glass is usually cooler than your breath. Breath contains moisture that condenses on the glass.
The moisture from your breath condenses. It condenses and evaporate due to the drop in temperature, in comparison with your body.
Condensation. It is the same process that causes moisture on the outside of a cold drink. Since your breath is warmer than the outside air, some of the moisture in your breath condenses in the cold air and forms molecules of liquid water and ice.
By the saliva in your mouth? Look at your breath on a cold day outside. Breathe on a mirror and watch it fog.
It is moisture in their breath that helps cleaning
the water molecules in your breath condenses as moisture on the glass.
Condensation - from the moisture in your breath, as it cools on contact with the cold glass.
Because in space humans would quickly dehydrate and be unable to breath, because 'space' is a near vacuum. Vacuums don't like to be empty, and want to fill up. So they take anything from anywhere to fill the vacuum, and that included human breath and moisture. Without breath and moisture we would die instantaneously. Hence the Space Suit, which is impervious to the loss of moisture and air.