How to Use "tract" with Example Sentences

1. They can invade the digestive tract and block nutritional uptake .

2. It is a sign of viral infection in the upper respiratory tract .

3. Beihe has recently decided to rent out a large tract of farmland to private investors to turn into a driving school and an auto-parts factory .

4. Because contractions of the cervix and vagina during orgasm transport semen deeper into the reproductive tract .

5. On its journey through the gi tract the device takes pictures which are transmitted to a computer .