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| 13721966922 | anatomy | Study of the structure of an organism. |  | 0 |
| 13721966923 | physiology | Study of the functions an organism performs. |  | 1 |
| 13721966924 | tissues | Groups of cells with a common structure and function. |  | 2 |
| 13721969641 | stratified squamous epithelium | Function: protects underlying tissues in areas subject to abrasion Location: moist lining of the esophagus, mouth, and vagina; outer of the skin, a dry membrane. | 3 | |
| 13721974697 | cuboidal epithelium | Dice-shaped cells specialized for secretion. Makes up the epithelium of kidney tubules and many glands, including the thyroid gland and salivary glands. | 4 | |
| 13721976987 | simple columnar epithelium | secretion/absorption, lines intestines | 5 | |
| 13721980641 | simple squamous epithelium | single layer of flat cells, gas exchange, think and leaky Location: BV & air sacs of lungs | 6 | |
| 13721986030 | pseudostratified columnar epithelium | single layer of irregularly shaped and sized cells found in mucous membranes of upper respiratory tract | 7 | |
| 13721998769 | apical epithelial surface | Faces the body surface, a body cavity, the lumen (interior space) can have cilia or microvilli | 8 | |
| 13721966925 | epithelial tissue | Tissue that covers outside of the body and lines organs and cavities. |  | 9 |
| 13721966926 | mucous membrane | Membrane that secretes mucus that lubricates the surface of organs and keeps them moist. |  | 10 |
| 13721966927 | simple epithelium | Single layer of cells. |  | 11 |
| 13721966928 | stratified epithelium | Multiples tiers of cells. |  | 12 |
| 13721966929 | cubiodal epithelium | Dice-shaped cells. |  | 13 |
| 13721966930 | columnar epithelium | Cells shaped like bricks standing on end. |  | 14 |
| 13721966931 | squamous epithelium | Cells that are like floor tiles. |  | 15 |
| 13721966932 | connective tissue | Tissue that functions mainly to bind and support other tissues. |  | 16 |
| 13721966933 | collagenous fibers | Fibers made of collagen. |  | 17 |
| 13721966934 | elastic fibers | Fibers made of elastin. |  | 18 |
| 13721966935 | reticular fibers | Fibers made of collagen fibers that are very thin and branched. Forma tightly woven fabric that joins connective tissue to adjacent tissues. |  | 19 |
| 13721966936 | fibroblasts | In connective tissue, cells that secrete the proteins of the fibers. | 20 | |
| 13721966937 | macrophages | Amoeboid cells that roam connective tissue and engulf foreign particles and debris of dead cells. |  | 21 |
| 13721966938 | muscle tissue | Tissue made of cells capable of contracting. |  | 22 |
| 13721966939 | nervous tissue | Tissue that senses stimuli and transmits signals. |  | 23 |
| 13721966940 | loose connective tissue | Tissue that binds epithelia to underlying tissues and holds organs in place. Contains collagenous, elastic, and recticular fibers. |  | 24 |
| 13721966941 | fibrous connective tissue | Dense tissue, large number of collagen fibers organized into parallel bundles. Includes ligaments and tendons. |  | 25 |
| 13721966942 | bone | Mineralized connective tissue. |  | 26 |
| 13721966943 | osteoblasts | Bone-forming cells. |  | 27 |
| 13721966944 | blood | Connective tissue made of plasma, erythrocytes, leukocytes, and platelets. |  | 28 |
| 13721966945 | adipose tissue | Tissue that stores fat. |  | 29 |
| 13721966946 | tendons | Attach muscles to bones. |  | 30 |
| 13721966947 | ligaments | Join bones to bones at joints. |  | 31 |
| 13721966948 | cartilage | Made of collagenous fibers in matrix of chondroitin sulfate. |  | 32 |
| 13721966949 | chondrocytes | Cells that secrete cartilage. |  | 33 |
| 13721966950 | skeletal muscle | Muscle that is striated, multinucleated. |  | 34 |
| 13721966951 | smooth muscle | Muscle that is not striated, is single nucleated. |  | 35 |
| 13721966952 | cardiac muscle | Muscle that is branched, striated, single nucleated. |  | 36 |
| 13721966953 | organs | Tissues are organized into:, group of tissues that work together to perform closely related functions. |  | 37 |
| 13721966954 | mesenteries | Sheets of connective tissue in moist or fluid-filled body cavities. |  | 38 |
| 13721966955 | thoracic cavity | Cavity housing lungs and heart. |  | 39 |
| 13721966956 | abdominal cavity | Cavity housing intestines. |  | 40 |
| 13721966957 | bioenergetics | Flow of energy through an animal. Limits its behavior, growth, reproduction. |  | 41 |
| 13721966958 | metabolic rate | Amount of energy an animal uses in a unit of time; the sum of all the energy-requiring biochemical reactions. |  | 42 |
| 13721966959 | endothermic | Animals that are warmed mostly by heat generated by metabolism. |  | 43 |
| 13721966960 | ectothermic | Animals that gain heat mostly from external sources. |  | 44 |
| 13722022771 | poikilotherm | variable body temperature | 45 | |
| 13721966961 | basal metabolic rate (BMR) | The metabolic rate of a nongrowing, resting, fasting, nonstressed endotherm. |  | 46 |
| 13721966962 | standard metabolic rate (SMR) | The metabolic rate of a resting, fasting, nonstressed ectotherm. |  | 47 |
| 13721966963 | homeostasis | "Steady state" or "constant internal milieu". |  | 48 |
| 13721966964 | regulator | An animal that uses internal control mechanisms to moderate internal change in the face of external fluctuation. |  | 49 |
| 13721966965 | conformer | An animal that allows its internal condition to vary with certain external changes. |  | 50 |
| 13721966966 | negative feedback | Maintains a steady state. |  | 51 |
| 13721966967 | positive feedback | Takes organism away from a steady state. |  | 52 |
| 13721966968 | thermoregulation | Process of maintaining an internal temperature within a tolerable range. |  | 53 |
| 13721966969 | vasodialation | Increases in the diameter of superficial blood vessels; cools the body. |  | 54 |
| 13721966970 | vasoconstriction | Reduces blood flow and heat transfer by decreasing the diameter of superficial blood vessels. |  | 55 |
| 13721966971 | countercurrent heat exchanger | In ectotherms, a circulatory adaptation that is an arrangement of blood vessels that warm or cool the blood. |  | 56 |
| 13721966972 | acclimatization | Adjusting to a new range of environmental temperatures. |  | 57 |
| 13721966973 | torpor | Physiological state in which activity is low and metabolism decreases. |  | 58 |
| 13721966974 | hibernation | long-term torpor that is an adaptation to winter cold and food scarcity |  | 59 |
| 13721966975 | estivation | Summer torpor. Enables animals to survive long periods of high temperatures and scarce water supplies. |  | 60 |
| 13721966976 | daily torpor | In small mammals and birds, daily lowering of metabolism that allows them to survive on stored energy. |  | 61 |
| 13721966977 | Three possible shapes of epithelial tissue | Columnar Squamous Cuboidal | 62 | |
| 13721966978 | Three possible arrangements of epithelial tissue | Simple Stratified Pseudostratified | 63 | |
| 13721966979 | Stratified Squamous: - Location | Outer skin, mouth, anus, vagina | 64 |
