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The body's ability to detect and respond to changes in its internal and external envionment is called?
The body's ability to detect and respond to changes in its internal and external environment is called homeostasis. This complex process involves various physiological mechanisms that help maintain stable internal conditions, such as temperature, pH, and electrolyte balance. Sensory receptors monitor changes, and the nervous and endocrine systems coordinate appropriate responses to ensure the body functions optimally.
What is the ability to detect small changes of weak stimuli and large changes in stron stimuli?
This ability is known as Weber's Law, which states that the smallest change in a stimulus that can be detected is proportional to the magnitude of the original stimulus. The law suggests that the ability to detect changes in stimuli depends on the intensity or strength of the original stimulus.
Why diphenylamine is called internal indicator?
Diphenylamine is considered an internal indicator because it changes color in the presence of nitrates by forming a blue complex. This color change is used to detect the presence of nitrates in solutions without the need for an external indicator.
What is the ability to respond to stimulus called?
The ability to respond to a stimulus is called irritability or responsiveness. It refers to an organism's ability to detect and react to changes in its environment.
How does the human body detect changes in its internal conditions?
Homeostasis. Regulation of the endocrine system.
Which represent the correct order of homeostatic control system?
The correct order of a homeostatic control system is: Stimulus - a change occurs in the internal or external environment. Receptor - sensors detect the change in the environment. Control center - processes the information and determines the appropriate response. Effector - carries out the necessary response to restore homeostasis.
How the brain processes an external stimulus and how the rest of the body reacts to what the brain is signaling?
When an external stimulus is encountered, sensory receptors in the body detect the stimulus and send signals to the brain via neural pathways. The brain processes this information, interpreting it based on past experiences and context. In response, the brain sends signals through the nervous system to various body parts, triggering appropriate reactions, such as movement, emotional responses, or physiological changes. This coordinated response allows the body to adapt and react effectively to the environment.
Differentiate between interoceptors and exteroceptors relative to location and stimulus source?
Interoceptors are sensory receptors located within the body that detect internal stimuli (e.g., changes in organ pressure, pH, or temperature). Exteroceptors, on the other hand, are located on the body's surface and respond to external stimuli (e.g., touch, temperature, or light).
How does the body detect heat?
Our bodies have nerve cells called thermoreceptors that measure temperature of our internal body and the external environment. When these nerve cells are stimulated by changes inside our bodies and in the world outside, they send their information to the brain, where it is mostly the job of the medulla oblongata to make changes to keep our internal body temperature constant.
What is perceptual threshold?
Perceptual threshold refers to the minimum level of stimulus needed for a person to detect a particular stimulus. It is the point at which the stimulus becomes strong enough to be recognized by an individual's senses.
What is the ability to respond a stimulus?
To React
What is the function of the cold receptor?
to detect stimulus
