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Nerves....
When the sensation ( external - came from outside the body; internal - came from inside the body ) is accepted by the receptors, the impulse is being made. That impulse travels through the nerve to the brain.
Example: specialized cells - receptors in the human skin for the cold sensations are irritated by the cold weather. Those receptors change the polarity of their cell membrane which causes the activation potential ( electrical impulse ) which is then transferred through the nerve fiber ( ascending nerves ) to the brain.
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Impulses leave the eye by way of?
Impulses leave the eye by way of the optic nerve, which transmits visual information from the retina to the brain for processing. The optic nerve is a bundle of nerve fibers that carries these signals to the brain, allowing us to perceive and interpret the images we see.
Which nerve transmits impulses generated by the retina to the brain?
Second cranial nerve: The second cranial nerve is the optic nerve, the nerve that connects the eye to the brain and carries the impulses formed by the retina -- the nerve layer that lines the back of the eye, senses light and creates the impulses -- to the brain which interprets them as images.The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from the vertebral column. There are twelve cranial nerves.In terms of its embryonic development, the optic nerve is a part of the central nervous system (CNS) rather than a peripheral nerve.
What transmits sound from the inner ear to the brain?
The auditory nerve transmits sound signals from the inner ear to the brain. It carries electrical impulses generated by the hair cells in the cochlea to the brainstem, where the signals are further processed and interpreted as sound.
What carries nerve impulses from eyes to brain?
The Optic Nerve
Which part of the brain receives impulses for sight from the eyes?
The occipital lobe is the part of the brain that receives impulses for sight from the eyes. It is located at the back of the brain and is responsible for processing visual information.
What is a light-sensitive feature that receives visual images and transmits impulses to the brain?
the iris
What transmits impulses in the ear?
Impulses in the ear are transmitted by hair cells located in the cochlea. These hair cells convert sound vibrations into electrical signals that are then sent to the brain via the auditory nerve.
How do eye cells communicate with muscle cells?
The eye cells transmit nerve impulses to the brain, which translates the signal and transmits nerve impulses to the muscles. Information from sensory organs, including the eyes, ears, tongue, and skin, are transmitted by nerve impulses directly to the brain. The brain acting as the control center of the body interprets the nerve impulses. It then sends out different nerve impulses to other cells of the body if a response to the sensory signals is needed.
What fiber transmits impulses to the central nervous system?
The fiber that transmits impulses to the central nervous system is called an afferent or sensory fiber. These fibers carry sensory information from receptors in the body to the brain and spinal cord, allowing for the perception of different sensations like touch, temperature, and pain.
What type of neurons are responsible for transmitting nerve impulses from the spinal cord to the effector?
Signals are transmitted through the spinal cord and brain via neurons.
Impulses leave the eye by way of?
Impulses leave the eye by way of the optic nerve, which transmits visual information from the retina to the brain for processing. The optic nerve is a bundle of nerve fibers that carries these signals to the brain, allowing us to perceive and interpret the images we see.
What transmits sound waves to the inner ear making waves in the fluid in the cochlea?
The ossicles amplify the sound. They send the sound waves to the inner ear and into the fluid-filled hearing organ (cochlea). ... The auditory nerve sends these impulses to the brain. The brain then translates these electrical impulses as sound.
What impulses are transmitted by the sense of smell?
The sense of smell transmits impulses that are related to detecting chemicals in the environment, such as odors and scents. These impulses are then processed by the brain to identify and interpret the various smells, triggering emotional responses and memories.
Does myelin sheath transmits impulses from one nuron to another?
Myelin sheath never transmits the impulse from one neuron to another. On the contrary these are insulating cells which prevent transmission of nerve impulses.
What is the function of the optic nerve?
As with all nerves in the human body, the optic nerve transmits information. In this case, the optic nerve specifically transmits information from the retina of the eye to the brain for analysis and integration, resulting in the perception of "sight."
What muscle transmits impulses along cellular processes?
nervous tissue
What transmits impulses that activate and control body functions?
the nervous tissue
