Answer:
Dopamine.
Explanation:
Cocaine is used as a recreational drug and addictive in nature. It can be smelled or directly inhaled in the veins. This drug causes the feeling of restless and happiness.
The dopamine is the important neurotransmitters that regulates the mood and other biological activity of the body. The cocaine inhibit the reuptake of dopamine and leads to its accumulation in the brain. This might also break the blood brain barrier.
Thus, the answer is dopamine.
Carbon dioxide is not safe for your lungs because once it reaches your lungs it will stop your breathing and you could die.
Assuming you mean living matter
All living matter is produced by other living matter
I believe the answer is DNA or Deoxyribo Nucleic Acid
