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| an individual animal, plant, or single celled life form |
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| a substance that provides nourishment essential for growth and the maintenance of life |
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| the chemical processes that occur within a living organism in order to maintain life |
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| a thing or event that evokes a specific functional reaction in an organ or tissue |
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| Organisms reaction to a stimulus |
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| Parts of an organism that performs specific tasks |
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| group of tissues that work together to perform a specific function |
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| Group of organs that work together to perform a certain task, such as digestion or breathing |
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| Tiny blood vessels that connect arteries to veins; one cell layer thick and extremely narrow |
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| Compound Light Microscope |
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| Microscope that has 2 or more lenses and has a light source |
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| Group of similar cells working together to perform a specific function |
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| thin structure that encloses all the contents of plant and animal cells |
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| Outer covering of a cell that provides strength and support |
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| Contents of the cell inside the cell membrane excluding the nucleus |
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| organelles that store water and other substances required by the other cell |
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| Structures in cells that perform A certain function |
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| Organelles that directs all the activities into a cell |
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| Organelles that convert energy the cell receives into a form it can use |
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| They are solar panels that converts the suns energy into food for the cell |
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| Made of more then one cell |
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| Usually unicellular organisms that can only be seen through a microscope |
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| 1.a single-celled animal that catches food and moves about by extending finger like projections of protoplasm. Amoebas are either free-living in damp environments or parasitic |
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| a single-celled freshwater animal that has a characteristic slipper like shape and is covered with cilia |
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| minute hairlike organelles, identical in structure to flagella, that line the surfaces of certain cells and beat in rhythmic waves, providing locomotion to ciliate protozoans and moving liquids along internal epithelial tissue in animals. |
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| the spreading of something more widely |
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| Cell membrane allows certain substances through while others cannot |
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| a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane |
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| Specialized cells are cells that have gone on to specialize in being in a certain part of the body, such as a skin cell. |
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| The blood cells that carry oxygen |
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| mechanical digestion is this process of breakdown of solid food into tiny pieces which takes place inside the mouth that can be swallowed and then get ready for further processing through chemicals and enzymes in the stomach |
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| It's the chemical breakdown of food into simpler compounds. Proteins are broken down to amino acids, carbohydrates are broken down to simple sugars, and fats are broken down to fatty acids and glycerol |
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| a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction |
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| the progressive wave of contraction and relaxation of a tubular muscular system, especially the alimentary canal, by which the contents are forced through the system |
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| a thin, clear, virtually colorless acidic fluid secreted by the stomach glands and active in promoting digestion |
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| one of the minute, wormlike processes on certain membranes, especially on the mucous membrane of the small intestine, where they serve in absorbing nutriment. |
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| Any of the minute hairlike structures projecting from the exposed surface of the cell in order to increase the surface area for absorption, secretion, cellular adhesion, or mechanotransduction |
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| a device for varying the effective aperture of the lens in a camera or other optical system. |
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| any of the minute branches into which a bronchus divides |
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| a small cavity, pit, or hollow, in particular |
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| a small cavity, pit, or hollow, in particular |
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| any of the muscular-walled tubes forming part of the circulation system by which blood (mainly that which has been oxygenated) is conveyed from the heart to all parts of the body. |
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| any of the tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood toward the heart. |
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| One of the cells the body makes to help fight infections |
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| Platelets, also called thrombocytes, are a component of blood whose function is to stop bleeding by clumping and clotting blood vessel injuries. |
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| a colorless crystalline compound that is the main nitrogenous breakdown product of protein metabolism in mammals and is excreted in urine |
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| each of the functional units in the kidney, consisting of a glomerulus and its associated tubule, through which the glomerular filtrate passes before emerging as urine |
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| the separation of particles in a liquid on the basis of differences in their ability to pass through a membrane |
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| A type of animal tissue comprised principally of nerve cells and neuroglia cells |
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| a specialized cell transmitting nerve impulses; a nerve cell |
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| a short branched extension of a nerve cell, along which impulses received from other cells at synapses are transmitted to the cell body |
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| the long threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells |
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| the complex of nerve tissues that controls the activities of the body. In vertebrates it comprises the brain and spinal cord |
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| Peripheral nervous system |
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| the nervous system outside the brain and spinal cord |
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| the part of the nervous system that serves the sense organs and muscles of the body wall and limbs, and brings about voluntary muscle activity |
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| Astronomic nervous system |
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| the part of the nervous system responsible for control of the bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes |
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| an acute contagious viral disease, with fever and pustules usually leaving permanent scars |
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| a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease |
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| 1.a dark, thick, flammable liquid distilled from wood or coal, consisting of a mixture of hydrocarbons, resins, alcohols, and other compounds. It is used in road making and for coating and preserving timber |
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| a colorless, odorless toxic flammable gas formed by incomplete combustion of carbon |
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| a toxic colorless or yellowish oily liquid that is the chief active constituent of tobacco. It acts as a stimulant in small doses, but in larger amounts blocks the action of autonomic nerve and skeletal muscle cells. Nicotine is also used in insecticides |
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| inflammation of the mucous membrane in the bronchial tubes. It typically causes bronchospasm and coughing |
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| a condition in which the air sacs of the lungs are damaged and enlarged, causing breathlessness |
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| carcinoma of the lungs; one of the commonest forms of cancer |
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| an open sore on an external or internal surface of the body, caused by a break in the skin or mucous membrane that fails to heal |
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