DIGESTIVE SYSTEM OF A ROUNDWORM
- A roundworm has a definite digestive system that runs the length of their bodies.
- It has a mouth, pharynx, intestine and anus.
- Many are parasites and live off other animals and plants.
- Roundworms have a mouth with pharyngeal muscles.
- When roundworms want to eat, they have to use the pharyngeal muscles to suck up the food.
- When the food is sucked up digestive juices can be injected into the food helping it break down.
- When the food is going into the digestive process, the food breaks down and is digested.