Animal Physiology
Animal Physiology - Related Videos
05:33
Physiology of the Circulatory System - Concepts
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2019
Homeostasis Conditions in the external environment of an organism can change rapidly and drastically. To survive, organisms must maintain a fairly constant internal environment, which involves continuous regulation of temperature, pH, and other factors. This balanced state is known as homeostasis, which describes the processes by which organisms maintain their optimal internal conditions. To maintain homeostasis, organisms have developed structures with distinct functions. Physiology is the...
03:26
Physiology of the Circulatory System - Instructor Prep
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2019
Measuring Blood Pressure ExpandTo prepare for the blood pressure exercise, simply place the appropriate number of alcohol swabs, sphygmomanometers, and stethoscopes at the front of the classroom. Be sure to check over each of the component parts of the sphygmomanometers, including the tubing, cuff, manometer, and bulb to ensure they are undamaged. Respiration in Fish ExpandTo prepare for the fish respiration experiment, one week before the goldfish arrive, set up two 10-gallon tanks in the room...
06:08
Animal Diversity - Concepts
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2019
Kingdom Animalia is composed of a range of organisms united by a set of common characteristics. Barring a few exceptions, animals are multicellular eukaryotes that move, consume organic matter, and reproduce sexually. Although these attributes are shared, species within this kingdom are also extremely diverse. This diversity is due to adaptation of each species to a different niche. The niche of a species includes the area, function, and interrelationship of that species with other biotic and...
06:57
Animal Diversity - Student Protocol
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2019
Form and Function of Crickets and Crayfish ExpandNOTE: To observe the relationship between form and function in animals, you will be examining and dissecting a cricket and a crayfish. Each pair of students will receive one of each of these organisms. When dissecting, be sure to wear gloves, closed-toed shoes, and safety goggles. Take care when handling dissecting tools, as they may be sharp. HYPOTHESES: In this experiment, the experimental hypothesis could be that the cricket and crayfish have...
26:43
Computer-Generated Animal Model Stimuli
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Cited by 8 •
2007
Computer-generated stimuli using the Jacky dragon as a model.
FAQs
Homeostasis depends on coordinated regulation rather than the action of one isolated organ. Nervous and hormonal signaling help link physiological processes across the body, while circulation, gas exchange, digestion, osmoregulation, and thermoregulation contribute to stable internal conditions. Studying these interactions shows how animals continue functioning as external environments change.
Animal physiology can be examined at several linked scales. Cellular processes help explain how organs perform their roles, and organ-level mechanisms can then be connected to whole-organism survival, behavior, and performance. This multilevel perspective prevents researchers from treating a physiological response as separate from the systems that coordinate and support it.
Comparative physiology examines how species respond to conditions such as temperature, oxygen availability, and food resources. Differences among animals can reveal physiological features associated with environmental adaptation, while similarities can identify broadly shared functional solutions. These comparisons connect internal mechanisms with ecological conditions and help explain environmental resilience.
Together, these processes show how animals obtain and distribute resources while maintaining suitable internal conditions. Gas exchange relates to oxygen availability, digestion relates to food resources, circulation supports movement through the body, and osmoregulation helps regulate internal conditions. Examining them together clarifies how organ systems contribute to survival and performance.
Researchers can relate cellular mechanisms to organ function and then interpret those findings at the whole-animal level. Comparative studies add another layer by examining how physiological patterns vary among species exposed to different temperatures, oxygen conditions, or food resources. This approach links biological mechanisms with adaptation, behavior, and environmental resilience.
Its applications extend across biology, ecology, veterinary medicine, conservation, and biomedical science. Physiological knowledge can connect mechanisms with animal health, behavior, performance, and responses to environmental change. In conservation and ecology, these connections help interpret resilience, while veterinary and biomedical research can use them to understand functional problems and their biological context.