Question: What Are The Two Kinds Of Cells In The Nervous System Quizlet?

What are the basic elements of nervous system?

The nervous system has two main parts:The central nervous system is made up of the brain and spinal cord.The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body..

Which part of our body are composed of nervous tissue?

Nervous tissue is found in the brain, spinal cord, and nerves. It is responsible for coordinating and controlling many body activities.

What are cells in the nervous system are called quizlet?

cells of the nervous system tissue. There are two main cell types: neurons and neuroglia. Neuron. The nerve cell known as the “functional unit”.

What are the neurological cells?

Glia, also called glial cells or neuroglia, are non-neuronal cells in the central nervous system (brain and spinal cord) and the peripheral nervous system that do not produce electrical impulses. They maintain homeostasis, form myelin, and provide support and protection for neurons.

Where is nervous tissue not found?

Brain, spinal cord and nerves constitute nervous tissue. Tendon is a fibrous connective tissue connecting bones to muscles. Nervous tissue is absent in tendon. These are made up of collagen.

What are the two types of neurons and what are their functions?

Types of neuronsSensory neurons. Sensory neurons help you: taste. … Motor neurons. Motor neurons play a role in movement, including voluntary and involuntary movements. … Interneurons. Interneurons are neural intermediaries found in your brain and spinal cord.

What is difference between neuron and nerve?

Neuron is an individual specialized cell which are primarily involved in transmitting information through electrical and chemical signals. They are found in the brain, spinal cord and the peripheral nerves. … Nerve is an enclosed, cable-like bundle of axons and nerve fibers found in the peripheral nervous system.

What are the two types of neurons?

There are three major types of neurons: sensory neurons, motor neurons, and interneurons. All three have different functions, but the brain needs all of them to communicate effectively with the rest of the body (and vice versa).

What is nervous tissue class 9?

Class 9 Biology Tissues. Nervous Tissue. NERVOUS TISSUE. The cells of nervous tissue are highly specialized and the cells of this tissue are called nerve cells or neurons. Nervous tissue stimulates and transmits the stimulus very rapidly from one place to another within the body.

Which body part is not composed of nervous tissue?

So, the correct answer is ‘Tendons’

Which cells produce myelin in the brain and spinal cord?

Schwann cells make myelin in the peripheral nervous system (PNS: nerves) and oligodendrocytes in the central nervous system (CNS: brain and spinal cord). In the PNS, one Schwann cell forms a single myelin sheath (Figure 1A).

How many neurons does human brain have?

Do you know whoever actually counted and found that there are 100 billion neurons in the brain, in the human brain, and 10 times as many glial cells?

How many types of cells are in the nervous system?

twoThe nervous system is composed of two basic cell types: glial cells (also known as glia) and neurons.

How do you identify neurons?

A neuron is typically represented as having the following features. A large cell body (sometimes known as the soma) in which the nucleus and other major organelles are found. Dendrites, which are usually represented as numerous small projections extending from the cell body.

What are the four types of cells in the nervous system?

The four types of neuroglia found in the central nervous system are astrocytes, microglial cells, ependymal cells, and oligodendrocytes. The two types of neuroglia found in the peripheral nervous system are satellite cells and Schwann cells. Neurons are the other the other type of cell that comprise nervous tissue.

What do neurons have that other cells do not?

Neurons differ from other cells because neurons have extensions called axons and dendrites, they communicate with each other through an electrochemical process which we just talked about, and neurons have specialized structures such as synapses and chemicals such as neurotransmitters.

What are the two major types of cells in the nervous system?

There are two broad classes of cells in the nervous system: neurons, which process information, and glia, which provide the neurons with mechanical and metabolic support. Three general categories of neurons are commonly recognized (Peters, Palay, & Webster, 1976).