The study of normal tissues, or groups of cells and their surrounding extracellular materials, is called??? What is the method of having results evaluated by other experts in the field called? Devised in 1998. Where are Pacinian corpuscles most abundant in the skin? It first goes through the bipolar neurone, followed by the optic nerve, and then to brain. Stimulus-response theory developed from early conceptions of conditioning, a behavioral process whereby a response becomes more frequent or more predictable in a given environment as a result of reinforcement. -testable and falsifiable. Within the last decade, new discoveries in virology, the study of viruses, suggest that this traditional view about viruses may be incorrect and the "myth" that viruses are living things may be the reality. True or False? In fact, some viruses evolve so quickly that it is difficult to design drugs and vaccines against them. the study of the biological functions an organism performs, the microscopic examination of tissue for signs of disease, Examines the structural features of cells. the theory that there are emergent properties of the whole organism that cannot be understood by its individual parts is called. Who improved the microscope and was the first to observe and describe cells? Direct link to ameliapercival2004's post If antibiotics can't kill, Posted 5 years ago. stimulus-response theory, idea that learning and behaviour can be explained by interactions between stimuli and the responses they evoke. Which branch of medicine examines tissues for disease? theory that a more complex structure can be understood by studying its smaller parts. The sinoatrial node is the pacemaker that controls the rhythmic contractions of the heart muscle. List the levels of structural hierarchy in the body from least complex to the most complex. Name the smallest particle with a unique chemical identity, ??? Diagram of a virus. Movement in response to an external chemical is called ___________, while movement towards light is called ___________ . A series input resistor is added to limit the gain magnitude at high frequencies to 100V/V100 \mathrm{~V} / \mathrm{V}100V/V. Living things require energy to maintain internal conditions (homeostasis), for growth, and other life processes. A(n) _____ is any anatomical structure that is composed of at least two different tissue types, has recognizable structural boundaries, and has a discrete function different from the structures around it. You are alive, and so am I. Living things may keep some properties of life when they become nonliving, but lose others. Created by. Why does the Pacinian corpuscle not generate an action potential when it is in its resting state? aredoubleyou. The condition in which a system is maintained in a more-or-less steady state is called homeostasis.