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Part of the brain that suppresses unimportant sensations?
The thalamus is the part of the brain responsible for filtering and relaying sensory information to other areas of the brain. It helps prioritize important stimuli while suppressing irrelevant or unimportant sensations. This process helps us focus on relevant information and ignore distractions.
How do hair follicle nerve endings respond to external stimuli?
Hair follicle nerve endings respond to external stimuli by detecting changes in temperature, pressure, and movement. When stimulated, these nerve endings send signals to the brain, which interprets the sensation as touch, pain, or other sensory information.
What is a complex network of nerves called?
A complex network of nerves is called a neural network or nervous system. This network is responsible for transmitting information throughout the body, coordinating various functions, and responding to internal and external stimuli.
Distinguish between external and internal stimuli Give an example of each?
internal is in and external is out
Is the process of picking up information and relaying it to the brain.?
sensations
What system does the sensory organs belong to?
The sensory organs belong to the nervous system. They are responsible for detecting and relaying information about the external environment to the brain for processing and interpretation. This information helps organisms respond to stimuli and adapt to their surroundings.
Which nerves are responsible for relaying action potentials to the brain?
The sensory nerves, known as afferent nerves, are responsible for relaying action potentials from sensory receptors to the brain. These nerves carry information about touch, temperature, pain, and other sensory stimuli to the central nervous system for processing.
What organizes and analyzes stimuli in the brain?
The cerebrum, particularly the cerebral cortex, is responsible for organizing and analyzing stimuli in the brain. Different regions of the cortex process different types of stimuli, such as visual, auditory, and tactile information. Additionally, the thalamus plays a crucial role in relaying sensory information to the cortex for further processing.
Information entering the central nervous system from the external environment is called what?
Information entering the central nervous system from the external environment is called external stimuli. External stimuli are factors which are detected by the body and communicated to the central nervous system such as temperature and scents.
What is the function of afferent neuron?
Afferent neurons transmit sensory information from the body to the central nervous system (brain and spinal cord). They are responsible for detecting stimuli such as touch, temperature, pain, and pressure, and relaying this information to the brain for processing.
Part of the brain that suppresses unimportant sensations?
The thalamus is the part of the brain responsible for filtering and relaying sensory information to other areas of the brain. It helps prioritize important stimuli while suppressing irrelevant or unimportant sensations. This process helps us focus on relevant information and ignore distractions.
What are examples of external stimuli?
Two examples of external stimuli are pain, and temperature.
What is defined as the result of external stimuli on sensory organ and the transmission of that information to the brain?
sensation
Ability to react to stimuli a major role of the nervous system?
The nervous system is responsible for receiving and processing stimuli from the external environment or within the body. This information is then relayed to the brain for interpretation and to coordinate appropriate responses through motor neurons. This ability to react to stimuli is crucial for survival and maintaining homeostasis.
What are two examples of external stimuli?
Two examples of external stimuli are pain, and temperature.
What is the system that relays commands to skeletal muscles and stimulates glands and other muscle so the organism may continue to live and respond to stimuli?
The system responsible for relaying commands to skeletal muscles and stimulating glands and other muscles is the nervous system. This system sends signals in the form of electrical impulses through neurons to control movement and regulate bodily functions in response to internal and external stimuli.
Which terms is defined as the results of external stimuli on sensory organs and the transmission of that information to the brain?
sensation
