Answer:
The cells lying in the deeper layer of periosteum are known as osteoblasts (bone forming cells). These cells divide continuously and form the osteocytes, thus increase the thickness of bone. ... The process of reshaping the bone is called <u>remodeling </u>and it is one of the major factors responsible for increasing size of marrow cavity.
 
        
             
        
        
        
Large blood vessels and lymphatics are found in thesubmucosa. 
Submucosa: dense, irregular tissue layer.
        
             
        
        
        
Answer:
plants make their own food with photosynthesis 
Carnivore and Omnivore organisms eat other organisms 
Explanation:
 I tried to explain as best as I could I dont see your direct question I hope I helped