1.)Neurons are classified bye the...
(Answer) Direction they carry impulses. I think its because the impulses go to different places, to its different neurons.
2.) Your alarm wakes you up in the morning and reminds you to get ready to go to school. Which type of neuron receives the sounds of the alarm?
(Answer) Sensory Neuron, but I don't understand why.
Im not sure why, though
1. afferent vs. efferent vs. interneurons (look up)
2. http://en.wikipedia.org/wiki/Cochlear_nerve
1.) Neurons are classified by the direction they carry impulses because they have different structures and functions depending on where they send the signals. This classification helps us understand how information flows within the nervous system. Neurons can be classified into three types based on the direction of impulse transmission: sensory neurons, motor neurons, and interneurons.
- Sensory neurons: These neurons carry signals from sensory organs (like the eyes, ears, nose, and skin) to the central nervous system (CNS). They receive information from the environment or the body's internal state and transmit it to the CNS. Sensory neurons help us perceive and understand the world around us.
- Motor neurons: These neurons carry signals from the CNS to muscles and glands. They initiate and control voluntary movements and involuntary responses. Motor neurons enable us to move, speak, and perform various actions through the coordinated contraction of muscles.
- Interneurons: These neurons serve as a bridge between sensory and motor neurons. They are located entirely within the CNS and process and integrate information. Interneurons connect sensory neurons to motor neurons, relay signals within the CNS, and play a crucial role in complex functions like learning, memory, and decision-making.
2.) To answer why a sensory neuron receives the sound of the alarm, we need to understand the pathway of information transmission in the nervous system. When you hear the sound of the alarm, it travels through the air as sound waves and enters your ear. Inside the ear, the sound waves are converted into electrical signals by specialized cells called hair cells.
These electrical signals are then transmitted to the sensory neurons located in the ear, specifically in the cochlea. The sensory neurons in the cochlea detect the electrical signals generated by the hair cells and convert them into nerve impulses. These impulses are then transmitted to the brain through the sensory neurons, specifically the auditory nerve.
Therefore, the sensory neurons are responsible for receiving and transmitting sensory information, such as sound, to the central nervous system for further processing and interpretation. In the case of the alarm waking you up in the morning, the sensory neurons in your ear detect the sound waves and initiate the transmission of signals to the brain, ultimately making you aware of the alarm and waking you up.