your tonuge and your spine
involuntary and volountary
The iris of the eye has two main types of muscles - the radial muscle and the sphincter muscle. The radial muscle lies on the outside of the iris, and the sphincter muscle surrounds the pupil, allowing it to dilate and contract.
Involuntary muscles are the muscles in your body that you have no control over. The two main types of involuntary muscles are smooth muscles (which are found in most organs of the body) and cardiac muscle (found in the heart).
circular muscleslongitudinal muscles
The General Assembly and the Security Council are the two main bodies of the UN.
what are the two main types of environment
there are two main types the marine and freshwater
The two main types of economy are Command and Traditional.
The two main types of friction are kinetic and static.
the two main types of communications are emailing and socialising
The two main types of friction are kinetic and static.
what are the two main types of environment