Many people call them tentacles, but they are actually arms. They are curious creatures and they don't attack divers, they use their arms to explore. Just like sharks use their mouth to feel as well as taste.
Yes.
they dont have the sense of touch but they can sense chemicals, to smell or taste.
Sense of fell is related to sense of touch.
Tentacles. ;D
Touch is actually not considered to be a chemical sense. Touch is actually considered to be a physical type sense.
Sense of touch
Yes, they can but they can only touch with their suction cups to taste. They can't just touch with their body.
Generally not being able to sense touch is called Neuropathy.
Hypoesthesia is the term of a diminished sense of touch.
Sense of touch or Sense of Sight
avoid touch a dirty thing
Touch is the central sense.
A sense appeal is when you let someone touch you ;)