Stimulus In Biology Facts

Stimulus is something that causes a reaction especially interest excitement or energy.

Stimulus in biology facts. Stimuli 1 physiology a detectable change in the internal or external environment. It is used in various bodies. Babies have about 300 bones at birth with cartilage between many of them.

Stimulus in the largest biology dictionary online. 2 physiology that which influences or causes a temporary increase of physiological activity or response in. When a stimulus is.

Especially used in classical conditioning and other kinds of behavioral experiments. A biologic stimulus is any external change in the environment that can be detected by an organism. In physiology a stimulus is a detectable change in the physical or chemical structure of an organism s internal or external environment.

Chemicals in the air for example eye. An example of stimulus is an influx of cash into the economy that is designed to help the economy to gain momentum or energy. The earliest well known conditioning experiment was performed by 19th century russian physiologist ivan petrovich pavlov who conditioned dogs to salivate.

Free learning resources for students covering all major areas of biology. An example of stimulus is a shiny object for a baby. This extra flexibility helps them pass through the birth canal and also allows for rapid growth.

The ability of an organism or organ to detect external stimuli so that an appropriate reaction can be made is called sensitivity. The ability to respond to a stimulus is called irritability and is a necessary condition for life. With age many of the bones fuse leaving 206 bones that make up an average adult skeleton.