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chapter 4
Anatomy and Physiology
Question | Answer |
---|---|
Tissues | group of cells with common embryonic origin with cimilr structure and function |
4 types of tissue | epithelial, connective, nervous, muscle |
epithelial tissue classification | distinguishable by form based on function and location. (1st name # of layers. 2nd name shape) |
Epitheleal facts | -avascular (no blood) but innervated (nerves) -apical-basal polarity |
simple squamous function and location | transportation. capillaries |
simple cuboidal function and location | secretion. testicles. |
simple columnar function and location | secretion & absorption. digestive tract |
pseudostratified columnar function and location | secretion and movement.Trachea |
stratified squamous function and location | protection against abrasion. Vagina |
Stratified cuboidal function and location | protection and secretion. Sweat glands |
stratified columnar function | protect and secrete. |
Transitional function and location | stretches. Bladder |
Neurons | Thinking cells= action potential |
glial cells/neuroglia | support |
muscular tissue cells | -muscle fibers -myocyte |
Skeletal muscle characteristics | -voluntary -striated -a lot of nuclei |
cardiac muscle function and characteristics | -pumps blood -involuntary -striated |
Smooth muscle function and characteristics | -involuntary -non-striated |
skeletal muscle function and location | -movement -in bones |
smooth muscle function and location | -motility (movement within body) -digestive tract |