The throat.
Pharynx .
The common passage in the digestive, excretory, and reproductive systems is the urethra. The urethra serves as a tube through which urine from the excretory system and reproductive fluids from the reproductive system pass out of the body. It is separate from the digestive system, which uses the gastrointestinal tract for the absorption and processing of nutrients.
The nasal passage
i dont think it works with the repiratory system. i dont think it works with the repiratory system.
The hippo has a three chambered stomach which slowers the speed of the passage of the food
No
The lungs.
Circulate blood.
what is digestve system
they are all systems
the thoracic cavity
Cystic Fibrosis