Question

How does carbon enter and leave a humam being?​

Answer 1

Answer:

"When humans burn fossil fuels to power factories, power plants, cars and trucks, most of the carbon quickly enters the atmosphere as carbon dioxide gas. ... Carbon moves from the atmosphere to the oceans. The oceans, and other bodies of water, absorb some carbon from the atmosphere. The carbon is dissolved into the water."

Explanation:

Answer 2

Through lungs, you breathe in o2 and co2 and your lungs naturally filtrate it into more co2 you can survive breathing in small amount of carbon but if consumption is at a high rate you will go to sleep and have hard headaches