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U2L06

AP Biology B

QuestionAnswer
The structure of an organism. Anatomy
The fluid filling the spaces between cells in most animals. Interstitial fluid
An integrated group of cells with a common structure, function, or both. Tissues
A group of organs that work together in performing vital body functions. Organ system
Sheets of tightly packed cells that line organs and body cavities as well as external surfaces. Epithelial tissue
An epithelial tissue Epithelium
A type of cell in loose connective tissue that secretes the protein ingredients of the extracellular fibers. Fibroblast
Tissue consisting of long muscle cells that can contract, either on its own or when stimulated by nerve impulses. Muscle tissue
The steady-state physiological condition of the body Homeostasis
In homeostasis in animals, a value maintained for a particular variable, such as body temperature or solute concentration. Set point
In homeostasis, a receptor that detects a stimulus. Sensor
Referring to organisms for which external sources provide most of the heat for temperature regulation. Ectothermic
The ventral part of the vertebrate forebrain; functions in maintaining homeostasis, especially in coordinating the endocrine and nervous systems; secretes hormones of the posterior pituitary and releasing factors that regulate the anterior pituitary Hypothalamus
Metabolic rate of a resting, fasting, and nonstressed ectotherm at a particular temperature. Standard metabolic rate (SMR)
A physiological state in which activity is low and metabolism decreases. Torpor
The processes and functions of an organism. Physiology
A form of regulation in which an end product of a process speeds up that process; in physiology, a control mechanism in which a change in a variable triggers a response that reinforces or amplifies the change. Positive feedback
Created by: jtaylor422
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