Found Lining the Digestive and Respiratory Tracts.

- April 23, 2022

The smooth cells are nonstriated but their sarcoplasm is filled with actin and myosin along with dense bodies in the sarcolemma to. The cells which form epithelial tissue are closely attached to each other through a structure called tight junctions.

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The pharynx is a five-inch long tube that starts near our nose and ends at our windpipe.

. The laryngopharynx is a crossroad where the upper respiratory and upper digestive tracts diverge. The pharynx is generally considered a part of the throat in both vertebrate and invertebrate animals. The lining of the respiratory tract has cells that secrete mucus phlegm which traps small particles.

Smooth muscle is found throughout the body around various organs and tracts. Structure of Epithelial Tissue. They dont have blood vessels and nerves and also they are.

Smooth muscle cells have a single nucleus and are spindle-shaped. Unlike most organ systems the sexes of differentiated species often. The digestive system is almost entirely made of smooth muscle.

The urinary system also includes a lot of smooth muscle. One surface of the epithelial tissue is exposed to either the external environment or the body fluid. Functions of smooth muscle in the digestive and urinary systems include.

The reproductive system of an organism also known as the genital system is the biological system made up of all the anatomical organs involved in sexual reproductionMany non-living substances such as fluids hormones and pheromones are also important accessories to the reproductive system. Smooth muscle cells can undergo hyperplasia mitotically dividing to produce new cells. At the nostrils the lips of.

They perform various functions such as absorption protection sensation and secretion. What type of lymphatic vessel is found interwoven with blood capillaries. Mucous membranes line the digestive respiratory and reproductive tracts and are the primary barrier between the external world and the interior of the body.

Other cells in the wall of the respiratory tract have small hairlike projections called cilia which steadily beat in a sweeping movement that propels the mucus and any trapped particles up and out of the throat and nose. 1 They are at several places contiguous with skin. The rear of the.

They cover various surfaces of body parts like the inner lining of the mouth digestive tract secretory glands lining of hollow parts of every organ such as heart lungs eyes the urogenital tract etc. From the lower section of the esophagus all the way to the rectum smooth muscle pushes food through the digestive tract. Epithelial tissue is formed from a tightly fitted continuous layer of cells.

In humans it is a hollow structure or muscular cavity lined with moist tissueThis is typical of all structures within our alimentary and digestive tracts. It forms the lining of respiratory digestive reproductive and excretory tracts. Encapsulated lymphatic tissue D.

It is a common passageway for air entering the respiratory system and for food and fluids entering the digestive system. What is the name of the diffuse lymphatic tissue associated with the digestive respiratory urinary and reproductive tracts. When food is chewed into a bolus and swallowed it moves from the mouth to the oropharynx and then down to the laryngopharynx.

In an adult human the total surface area of the mucosa is about 400 square meters while the surface area of the skin is about 2 square meters.

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