the stomache
No, humans cannot absorb nutrients from the air. Nutrients are primarily obtained through the food and beverages we consume, which are broken down in the digestive system for absorption into the body.
Yes, octopuses do have intestines. Their digestive system includes a stomach, a digestive gland, and an intestine that helps process food after it is broken down. The intestine leads to the rectum, where waste is expelled. This unique digestive system allows them to efficiently absorb nutrients from their prey.
Absorb water
The first task of the digestive system is to break down food into a fine pulp (mechanical digestion). When the food is physically broken down, digestive chemicals break the food down into small molecules (chemical digestion). The mouth is the organ in which the process of digestion begins.(Google)
Tapeworms do not have a digestive system because they absorb nutrients directly through their skin from the host's intestines. They rely on their host's digestive system to break down food, which the tapeworm then absorbs.
What particles, please specify in your question
food
There is one very important function for the digestive system. The digestive system is meant to break down food for the body to absorb.
Food
constipation!!
To break them down and properly absorb them.
Food is broken down into nutrients by the digestive system. Ingested food is transformed into usable nutrients by mechanical and chemical processes in the digestive system.