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21 terms

Milady Cosmetology CH 6 Anatomy, Cells

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Anatomy
the study of the structures of the human body that can be seen with the naked eye
Physiology
the study of the functions and activities performed by the body structures
Histology
the study of the tiny structures found in living tissue, microscopic anatomy
cells
the basic unit of all living things
protoplasm
colorless, jelly like substance where food elements are present.
nucleus
dense, active protoplasm in the center. Plays an important part in cell reproduction and metabolism
cytoplasm
surrounds the nucleus,needed for reproduction, and self repair
mitosis
reproduction-cell division
daughter cells
the two new cells after mitosis takes place
metabolism
chemical process where cells are nourished. Has two phases
anabolism
constructive metabolism-building up larger molecules from smaller ones. Stores food, water and oxygen for later use
catabolism
phase of metabolism-breaking down of larger cells into smaller ones. Releases energy
homeostasis
Equal anabolism and catabolism--all's well
tissue
collection of similar cells that perform a particular fundtion.
connective tissue
support, protect and bind together other tissues of the body. bone, cartlidge,ligaments, tendons, fascia, fat, adipose tissue
epithelial tissue
protective covering on body surfaces. Skin, mucus membranes, and the lining of the heart, digestive, respiratory organs, 7 glands
liquid tissue
blood & lymph, carries food, waste products and hormones through the body
muscular tissue
contracts and moves various parts of the body
nerve tissue
carries messages to and from the brain and controls and coordinates all bodily functions
organs
groups of tissues designed to perform a specific function
body systems
groups of bodily organs acting together to perform one or more functions