Podcast
Questions and Answers
What is the function of dendrites in neurons?
What is the function of dendrites in neurons?
What is the role of an axon in a neuron?
What is the role of an axon in a neuron?
What is a synapse?
What is a synapse?
What do neurons use to communicate long-distance signals?
What do neurons use to communicate long-distance signals?
Signup and view all the answers
At most synapses, what passes information from the transmitting neuron to the receiving cell?
At most synapses, what passes information from the transmitting neuron to the receiving cell?
Signup and view all the answers
How does the cone snail disable neurons in its prey?
How does the cone snail disable neurons in its prey?
Signup and view all the answers
What are the three stages of information processing in nervous systems?
What are the three stages of information processing in nervous systems?
Signup and view all the answers
Which type of neurons transmit information about external stimuli such as light, touch, or smell?
Which type of neurons transmit information about external stimuli such as light, touch, or smell?
Signup and view all the answers
What is the main function of interneurons in the nervous system?
What is the main function of interneurons in the nervous system?
Signup and view all the answers
Which cells are required to support neurons in both the central nervous system and the peripheral nervous system?
Which cells are required to support neurons in both the central nervous system and the peripheral nervous system?
Signup and view all the answers
What is the resting potential of a neuron?
What is the resting potential of a neuron?
Signup and view all the answers
What maintains the concentration gradient of K+ and Na+ ions across the membrane of a neuron?
What maintains the concentration gradient of K+ and Na+ ions across the membrane of a neuron?
Signup and view all the answers
What type of ion channels open or close in response to a change in voltage across the plasma membrane of a neuron?
What type of ion channels open or close in response to a change in voltage across the plasma membrane of a neuron?
Signup and view all the answers
During depolarization, what happens to the inside of the neuron's membrane?
During depolarization, what happens to the inside of the neuron's membrane?
Signup and view all the answers
What is the role of hyperpolarization in a neuron?
What is the role of hyperpolarization in a neuron?
Signup and view all the answers
Which cells form bundles we call nerves when grouped together?
Which cells form bundles we call nerves when grouped together?
Signup and view all the answers
