Parts:
What are the four major types that neurons are divided into?
unipolar, bipolar, multipolar, and pseudounipolar.
What is the primary function of a neuron?
To receive, transmit, and process electrical signals in the nervous system
What else are interneurons called?
Adjustor cells.
Where are most neurons concentrated?
In the brain and spinal cord
How many neurons does the brain contain?!
100 billion
What are the three main parts of a neuron?
Cell body (soma), dendrites, and axon.
What is the role of myelin in the nervous system?
To insulate axons and speed up the transmission of electrical signals.
What is another name for motor neurons?
efferent neurons.
Where is the center of information processing?
What structure contains the cytoplasm and the nucleus?
What is the cell body?
Which part of a neuron receives signals from other neurons?
Dendrites.
What are the four main things neurons do?
1. Signal reception
2. Signal integration
3. Signal transmission
4. Chemical communication
What do sensory neurons do?
Carry signals from sensory organs (like eyes, and ears) to the central nervous system.
What is the peripheral nervous system?
How do neurons signal?
What is called the long, thin fiber that sends electrical impulses away from the neuron cell body?
Axon
What are the three types of neurons?
1. Sensory neurons
2. Motor neurons
3. Interneurons
What do motor neurons do?
Transmit signals from the central nervous system to muscles, causing movement.
What is known as the central processing center of the nervous system?
What is the brain?
What speeds transmission of the electrical signals along the axon?
What is myelin sheath?
What is the tiny gap between two neurons where signals are transmitted called?
Synapse
Neurons are information_______?
messengers
What is the function of Interneurons?
Act as relays within the central nervous system, connecting sensory and motor neurons.
What is the basic functional unit of the brain?
What is neurons?
Daily Double!! What is the average number of neurons in an octopus brain?!
What is 300 million?