The lymph modes is the small secondary lymphoid organs which cluster along lymphatic vessels.The lymph nodes are small bean shaped gland which are found throughout the body. They are part of lymphatic system which carries fluid (lymphatic fluids) ,nutrient and waste material between the body.
Diverticula Are Tiny Herniations Of The Mucosa Through The Colon Walls, A Condition Named Diverticulosis. They Are Believed To Form When The Diet Lacks Bulk And The Volume Of Residue In The Colon Is Small. The Colon Narrows Contractions Of Its Circular Muscles And They Become More Potent, Increasing The Pressure On Its Walls. Diverticulitis Is A Condition In Which The Diverticula Become Inflamed. Mrs. Ironfield Has Diverticulitis Due To The Inflammation Of Her Diverticula, As Shown By The Pain And Mass.
<span>Connective tissue supports the framework of the liver, and epithelial tissue protects the liver.
Connective tissue holds the liver in place during movement, and epithelial tissue forms the lining of the liver.
Connective tissues are mainly used in forming support networks within tissues and Epithelial tissue tend to line the organs and form protective cell layers.</span>
Ans.
Neural crest cells are embryonic cells that are unique to organisms of phylum chordata. These cells give arise a number of cell lineage, such as bone and cartilage, melanocytes, smooth muscle, glia and neurons, eyes, teeth, and other sense organs. The neural crest cells do not form pharyngeal slits in invertebrate chordates.
Thus, the correct answer is option b).