Decapitated.
A person without hair on their head can be called bald or hairless.
....no
No, it is impossible for a human to live without a brain.
No, Alysha is a human with a head, which is called a headless ghost.
occipital
head
A bolt without a nut or a head is called a stud.
The Torso.
earthworm
A human without a head, arms, and legs would likely not be able to survive as these body parts are crucial for basic functions such as breathing, eating, and moving. Such a being would lack the ability to interact with the world in a meaningful way.
Molera, it is akin to the fontanelle in a human baby's head.
Hit it over the head with a spanner