AP Bio II: The Nervous System
What are known as the "helping cells" of the brain?
The glia.
What is a type of neuron?
Sensory, motor, or interneuron
What are the parts of a neuron?
A dendrite, axon, and cell body.
What is a filament that arises from the neuron cell body, that appears to be a form of a tree when a cluster of them come together?
A dendrite.
What is the formal title for a nerve cell?
A neuron.
What is the cell body of a neuron called?
A soma.
The specialized connection between other cells is called?
A synapse.
Which of these is a subsystem of the peripheral nervous system? A. Enteric nervous system B. Central nervous system C. Voluntary nervous system
A.
An axon conducts nerve impulses in which direction in a cell body?
Away from.
What is the special nerve filament that arises from the cell body and travels up to a meter?
The axon.
What is the major organ of the nervous system that is encased in the skull?
The brain.
The brain and spinal cord belong to which part of the nervous system?
The central nervous system.
What is the part of the brain that controls coordination and balance?
The cerebellum.
What is the part of the brain that is in charge of thinking and memory?
The cerebrum.
What is the part of the brain that is in charge of involuntary actions such as breathing or allowing the heart to beat?
The medulla oblongata.
Which part of the nervous system is made up of sensory neurons and clusters of neurons called ganglia?
The peripheral nervous system.
What is the major set of large nerves running down the spinal column/vertebrae?
The spinal cord.
What is the job of the nervous system?
To send messages to/from the brain and spinal cord to the rest of the body.
A dendrite conducts nerve impulses that go in which direction in a cell body?
Toward
True or false: Neurons often have many short dendrites and long axons.
True