Question

Movement of which of the following does not
require muscles?
1) Tongue
2) Wall of gastro intestinal traet
3) Eyelids
4) Dust particles in respiratory tract
​

Answer 1

Movement of dust particles in the respiratory tract does not require muscles.(Option 4)

• The dust particles in the respiratory tract are filtered out by the fine hairs (also called cilia).
• The walls of gastro intestinal tract have smooth muscles which aid in the movement.
• The movement of eyelids is also controlled by a group of muscles including tarsal muscle.
• And, the movement of tongue is also controlled by specific muscles.

Answer 2

HELP DEAR,

ANSWER:- 4) Dust particles in

respiratory tract.

Tongue :- The genioglossus arises from the mandible and protrudes the tongue .It is also known as the tongues "safety muscle" since it is the only muscles that propels the tongute forwards.

I HOPE IT'S HELP YOU DEAR,

THANKS.