Limiting factors determine the carrying capacity Hope this helps :)
Answer: Sphincter muscles
Explanation:
The circular rings of smooth muscles, that can contract to regulate the movement of the smooth muscles that can contract to regulate the movement of food through the gastrointestinal tract are known as sphincter muscles.
These two layers are outer layer and inner layer. The outer layer is longitudinal and the inner layer is circular. They contract rhythmically to squeeze food.
Answer:
crazy hair
Explanation:
just kidding the love of science
Right upper is the location for the duodenum
The answer to your question is true
