Question

Distinguish between:
(a) Simple epithelium and compound epithelium
(b) Cardiac muscle and striated muscle
(c) Dense regular and dense irregular connective tissue
(d) Adipose and blood tissue
(e) Simple gland and compound gland

Answer 1

Epithelium: one is present in the lining of the stomach and intestine and the other is present in the lining of the pharynx and buccal cavity. Muscle- one is called myocardium/ heart muscle and the other is the main tissue wall of the heart. Connective tissue- comprises structures such as ligaments and tendons while the other is distributed throughout the body. Blood tissue- Blood is both substance and tissue.

Complete step by step answer:
- In the lining of the stomach and gut, the simple epithelium is present. In the lining of the pharynx and the buccal cavity, the compound epithelium is present. All the cells rest on the basement membrane in plain epithelia. In compound epithelia, the basement membrane lies only on the lowermost layer of cells. The simple epithelium has only one layer of epithelial cells whereas, in a compound more than two layers of cells
- The muscles of the heart are known as heart muscles. These are short cells linked to the tail of the head. There is a greater concentration of mitochondria and glycogen. There are light and dark bands present. Cells are branched and connected by an intercalated disc to the next cells. It is a muscle that is involuntary.
- Striated muscle, since it is connected to the body, is otherwise called striated or skeletal muscle. These are long cells enclosed in the sarcolemma, found in bundles. It has popular light and dark bands with daily strips.
- Two main types are also further categorized into dense connective tissue; dense irregular connective tissue and dense normal connective tissue. Structures such as ligaments and tendons contain dense normal connective tissue, while dense irregular tissue is more commonly dispersed across the body.
- For energy metabolism, adipose tissue consists of cells called adipocytes that accumulate and store fat in the form of triglycerides.
BLOOD TISSUE: Since it has a matrix, blood is considered connective tissue. ... Plasma is commonly called the fluid component of the entire blood, its matrix.
- There is an unbranched duct on a plain gland (or no duct at all). Only a single unit of secretory (acinus or tubule) exists. Sweat glands, gastric glands, intestinal crypts, and uterine glands are examples. A branching duct has a compound gland.

Note: All of the above- mentioned categories belong to the type of cells and their glands. Epithelial cells, connective tissue, smooth muscle, blood tissue, etc are all classifications of cells. A gland is an organ that creates and releases substances that in the body serve a particular purpose. Two forms of gland exist. Endocrine glands are ductless glands and release directly into the bloodstream the substances that they make (hormones).