The GI tracts of the patients were examined for any abnormalities.

The biliary tracts are responsible for transporting bile from the liver to the small intestine.

The spinoreticular tracts transmit sensory information from the spinal cord to the reticular formation in the brainstem.

The vocal tracts of birds are different from those of humans.

There are vast tracts of land available for development.

The iliotibial tracts play a crucial role in stabilizing the knee joint.

Chittagong Hill Tracts is a beautiful region in Bangladesh.

The upper respiratory tracts are responsible for filtering and humidifying the air we breathe.

Lower respiratory tracts are responsible for the exchange of oxygen and carbon dioxide in the body.

The gastrointestinal tract is responsible for the digestion and absorption of nutrients.