AP BIOLOGY

ANIMAL PHYSIOLOGY

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ which is located in the spinal cord. It connects sensory neuron to motor neuron
A
Receptor
B
Sensory neuron
C
Effector
D
Motor neuron
E
Interneuron
Explanation: 

Detailed explanation-1: -Interneurons. As the name suggests, interneurons are the ones in between-they connect spinal motor and sensory neurons. As well as transferring signals between sensory and motor neurons, interneurons can also communicate with each other, forming circuits of various complexity.

Detailed explanation-2: -Interneurons connect neurons to other neurons within the same region of the brain or spinal cord. When multiple neurons are connected together, they form what is called a neural circuit. A typical neuron consists of a cell body (soma), dendrites, and a single axon.

Detailed explanation-3: -Unipolar cell bodies of sensory neurons are located within sensory ganglia which may be in the dorsal root of the spinal cord or along cranial nerves. The receptive field of the neurons limits the ability of the sensory system to relay environmental information.

Detailed explanation-4: -Interneuron is the neuron that connects the sensory neuron and the motor neuron. They are present in the central nervous system. It collects sensory impulses and processess them to generates quick responses.

Detailed explanation-5: -Interneurons (also known as association neurons) are neurons that are found exclusively in the central nervous system. ie Found in the brain and spinal cord and not in the peripheral segments of the nervous system.

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