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What is the mode of nutrition for clams and oysters?
Poison
A substance that is harmful or lethal to organisms when introduced or absorbed, capable of causing illness or death.
Methadone
A synthetic opioid used medically both as a pain reliever and in the treatment of opioid addiction.
Endorphins
Naturally occurring chemicals in the body that not only alleviate pain but also enhance sensations of joy.
Opiate
A category of drugs derived from the opium poppy (or synthetic analogs) that primarily act as central nervous system depressants and are used for pain relief.
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