When the body receives stimuli which structure typically processes the stimuli quizlet?
nerve cells, receive stimuli and transmit action potentials to other neurons or to effector organs. They are organized to form complex networks that perform the functions of the nervous system. One type of cellular projection is called a (Blank) referring to its branching organization.
What part of the body receives stimuli?
Afferent or sensory neurons collect stimuli received by receptors throughout the body, including the skin, eyes, ears, nose, tongue as well as pain and other receptors in the internal organs. Sensory information is transmitted to the central nervous system, which includes the brain and spinal cord.
What part of a neuron normally receives stimuli?
Dendrite. Dendrites are branch-like structures extending away from the cell body, and their job is to receive messages from other neurons and allow those messages to travel to the cell body. Although some neurons do not have any dendrites, other types of neurons have multiple dendrites.
What is the point at which an impulse from one nerve cell is communicated to another nerve cell?
Neurons communicate with one another at junctions called synapses. At a synapse, one neuron sends a message to a target neuron—another cell. Most synapses are chemical; these synapses communicate using chemical messengers. Other synapses are electrical; in these synapses, ions flow directly between cells.
What are the 5 types of stimuli?
Our brains commonly receive sensory stimuli from our visual, auditory, olfactory, gustatory, and somatosensory systems.
What are the two main ways in which neurons are able to react to stimuli?
1. Excitability / irritability: This means they can be stimulated to produce an impulse (action potential) – a tiny electrical current. 2. Conductivity: This means neurons are also able to transfer an impulse along the full length of their axons and then on to other neurons, muscles or glands.
What is the small gap between neurons called?
Synapse
Synapse, also called neuronal junction, the site of transmission of electric nerve impulses between two nerve cells (neurons) or between a neuron and a gland or muscle cell (effector).
What is the difference between nerve and nerve impulse?
Neurons and Nerve Impulses. A nerve is a bundle of nerve cells. A nerve cell that carries messages is called a neuron (Figure below). The messages carried by neurons are called nerve impulses.
What are different types of stimuli?
excited by three types of stimuli—mechanical, thermal, and chemical; some endings respond primarily to one type of stimulation, whereas other endings can detect all types.