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a cellular sheet that is continuous and surrounds the entire surface of the body, lines the cavities of the body
depending on the number of cell layers, epithelial tissue may be categorized as:
simple- tissue containing 1 layer of cells
stratified- tissue containing 3 or more layers
pseudostratified- has only 1 layer but appears to have more.
describe loose connective tissue
connective tissue that has large spaces separating the fibers and cells (it contains a great deal of intracellular fluid)
describe dense connective tissue
connective tissue provides structural support, having a greater fiber concentration
describe adipose connective tissue
a single fat droplet occupies most of the cell, it acts as a cushion for internal organs and as a reserve of energy supply
describe striated muscle tissue
striped, or striated apperance. all striated capable of voluntary contraction is called skeletal muscle tissue
describe smooth muscle tissue
no stripes but long, spindle shaped cells (is not under voluntary control)
support structures of nervous tissue, insulating, and protecting neurons. (found only in the nervous system)
what is in the digestive system?
mouth, tongue, teeth, salivary glands, esophagus, stomach, small and large intestines, gallbladder, and pancreas
what is in the respiratory system?
nasal cavity, pharynx, larynx, rachea, bronchi, lungs, and diaphragm
what is in the endocrine system?
endocrine glands, hypothalamus, hypophysis (pituitary), thyroid, thymus, parathyroid, pineal, adrenal, pancreas (insulin), and gonads
what are the special sense organs?
eyes, ears, semicircuar canals, other senses of touch-taste, and feel are functions of other systems.
a rounded, saclike dilations of a duct, tubular structure, or canal-oval shaped storage jar. examples are tear duct and rectum
lying on the back with the hips and knees flexed and the thighs abducted and extremally rotated
what is in the pelvic cavity?
large intestine, rectum, urinary bladder, internal reproductive organs
what are the 3 potential cavities?
peritoneal space(located in the abdominal cavity), retroperitoneal space(located behind the peritoneum), pleural cavity
function of bones
-protect internal tissues and organs
-stability and support of the body
-movement through lever action
-production of red blood cells in the bone marrow
-storage of 99% calcium in the body
define hyaline cartilage
very elastic, cushiony and slippery; bluish color; literally translated it means "glass"
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