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Raquel Kennedy

Anatomy chapter 1-5

Organization of atoms, molecules, and macromolecules results in living matter is a gel called cytoplasm
an organization of similar cells specialized to perform a certain function Tissue
smallest and most numerous units that possess and exhibit char-acteristics of life are Cells
—sum total of all physical and chemical reactions occurring in the living body Metabolism
Hypogastric “below the stomach.” Only loops of the small intestine, the urinary bladder, part of the large intestine, and the appendix are seen in the hypogastric region.
Intrinsic control mechanisms operate at the ______ and organ levels. A. cell B. tissue C. organ
Examples of homeostasis 1.Temperature regulation 2. Regulation of blood carbon dioxide level 3. Regulation of blood glucose level
Homeostasis is used to describe the, relatively constant states maintained by the body—internal environment around body cells remains constant
characteristics of negative control systems? Are inhibitory; they negate changes in a variable a; Stabilize physiological variables ; Produce an action that is opposite to the change that activated the system
Term to describe the wasting effects of advancing age: Atrophy
octet rule Atoms with fewer than eight electrons in the outer energy level will attempt to lose, gain, or share electrons with other atoms to achieve stability.
Decomposition reactions Decomposition reactions
Three basic types of chemical reactions that you will learn to recognize as you study physiology are the following: 1. Synthesis reactions 2. Decomposition reactions 3. Exchange reactions
What does the term metabolism mean? The chemical processes that occur within a living organism in order to maintain life.
What is the role of ATP(Adenosine triphosphate) in the body? energy-carrying molecule found in the cells of all living things.
Monosaccharides, simple sugars
Carbohydrates composed of two or more simple sugars that are bonded together through a dehy-dration synthesis reaction that involves the removal of water Polysaccharides (complex sugars)
Glycogen, a polymer of glucose, is sometimes referred to as animal starch.
Structure of glucose A, Straight chain, or linear model, of glucose. B, Ring model representing glucose in solution. C, Three-dimensional, or space-filling, model of glucose.
What water-insoluble organic biomolecules? Lipids
Golgi apparatus description: Stack of flattened sacs (cisternae) surrounded by vesicles function:Synthesizes carbohydrate, combines it with protein, and packages the product as globules of glycoprotein
Vesicles description:Tiny membranous bags function:Temporarily contain molecules for transport or later use
Nucleolus description:Dense area of chromatin and related molecules within nucleus function: Site of formation of ribosome subunits
Microvilli description:Short, fingerlike extensions of plasma membrane; supported internally by microfilaments function:Tiny, fingerlike extensions that increase a cell’s absorptive surface area
Ribosomes description: Small particles assembled from two tiny subunits of rRNA and protein function: Site of protein synthesis; a cell’s “protein factories
Created by: rkennedy1



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