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:
D
Explanation:
the production of gametes
Answer:
3) bb
4) it is recessive because it skips generations and there are carriers. the parents don't have it, but they pass it on to their offspring
Explanation:
Blood protein levels fall and fluid shifts to the tissues
From which one of these items will water evaporate at a different rate?a. Factory
