Some are used for physician-assisted suicide and for execution by lethal injection

The answer in the space provided is barbiturates as this is helpful for patients who have mental disorders especially to those who are trying to commit suicide. It is a CNS depressant that provides mild sedation to those who ingested or has been injected by this drug.

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.