What are examples of reflex arcs?

Examples of monosynaptic reflex arcs in humans include the patellar reflex and the Achilles reflex. Most reflex arcs are polysynaptic, meaning multiple interneurons (also called relay neurons) interface between the sensory and motor neurons in the reflex pathway.

What is a reflex arc diagram?

The reflex arc describes the pathway in which the nerve impulse is carried and the response is generated and shown by the effector organ. The reflex arc typically consists of five components: 1. The receptor is present in the receptor organ.

What are the 5 parts of a reflex arc?

The reflex arc consists of 5 components:

• sensory receptor.
• sensory neuron.
• integration center.
• motor neuron.
• effector target.

What are the steps in a reflex arc?

So the reflex arc consists of these five steps in order-sensor, sensory neuron, control center, motor neuron, and muscle. These five parts work as a relay team to take information up from the sensor to the spinal cord or brain and back down to the muscles.

What is a simple reflex arc?

In a two-neuron arc, simple reflexes are prompt, short-lived, and automatic and involve only a part of the body. Examples of simple reflexes are the contraction of a muscle in response to stretching, the blink of the eye when the cornea is touched, and salivation at the sight of food.

What 4 things make up a reflex arc?

The simplest arrangement of a reflex arc consists of the receptor, an interneuron (or adjustor), and an effector; together, these units form a functional group. Sensory cells carry input from the receptor (afferent impulses) to a central interneuron, which makes contact with a motor neuron.

What is the main function of the reflex arc?

Reflex arc, neurological and sensory mechanism that controls a reflex, an immediate response to a particular stimulus.

What is Polysynaptic reflex?

Any reflex with more than one synapse (1), not counting the synapse between neuron and muscle, and hence involving one or more interneurons. In humans, all reflexes except stretch reflexes are polysynaptic.