Podcast
Questions and Answers
What is the main function of epithelial tissue discussed in the text?
What is the main function of epithelial tissue discussed in the text?
Which tissue type is responsible for providing impulse transmission?
Which tissue type is responsible for providing impulse transmission?
What is the role of connective tissue according to the text?
What is the role of connective tissue according to the text?
Which system involves the functional unit known as nephrons?
Which system involves the functional unit known as nephrons?
Signup and view all the answers
Which system of the body involves gulp secretion and reabsorption of water filtered through the henle loop of nephrons?
Which system of the body involves gulp secretion and reabsorption of water filtered through the henle loop of nephrons?
Signup and view all the answers
Which tissue type is specialized for moving the body and its parts through contraction and relaxation?
Which tissue type is specialized for moving the body and its parts through contraction and relaxation?
Signup and view all the answers
What is the primary function of dendrites in a neuron?
What is the primary function of dendrites in a neuron?
Signup and view all the answers
What feature increases the electrical conduction speed of neurons?
What feature increases the electrical conduction speed of neurons?
Signup and view all the answers
Which part of a neuron is responsible for initiating voluntary movements like walking?
Which part of a neuron is responsible for initiating voluntary movements like walking?
Signup and view all the answers
What is a function of the Nerve System mentioned in the text?
What is a function of the Nerve System mentioned in the text?
Signup and view all the answers
What is one of the characteristics of most neurons mentioned in the text?
What is one of the characteristics of most neurons mentioned in the text?
Signup and view all the answers
What is the role of Schwann cells in a neuron?
What is the role of Schwann cells in a neuron?
Signup and view all the answers
What is responsible for the conduction of nerve impulses in myelinated fibers?
What is responsible for the conduction of nerve impulses in myelinated fibers?
Signup and view all the answers
Which type of synapse releases neurotransmitters that cause action potentials in the postsynaptic cell?
Which type of synapse releases neurotransmitters that cause action potentials in the postsynaptic cell?
Signup and view all the answers
How does electrical synaptic conduction differ from chemical synaptic conduction?
How does electrical synaptic conduction differ from chemical synaptic conduction?
Signup and view all the answers
What happens when the threshold is exceeded in a synapse?
What happens when the threshold is exceeded in a synapse?
Signup and view all the answers
Why do myelinated fibers conduct electricity faster than unmyelinated fibers?
Why do myelinated fibers conduct electricity faster than unmyelinated fibers?
Signup and view all the answers
What occurs when neurotransmitters are released into the synaptic cleft?
What occurs when neurotransmitters are released into the synaptic cleft?
Signup and view all the answers
What is the primary function of glial cells in nervous tissue?
What is the primary function of glial cells in nervous tissue?
Signup and view all the answers
What is the net effect of the sodium-potassium ion pump?
What is the net effect of the sodium-potassium ion pump?
Signup and view all the answers
What is the term for when the inside of the membrane gains a more positive value than the outside?
What is the term for when the inside of the membrane gains a more positive value than the outside?
Signup and view all the answers
Which ions are responsible for the action potential in muscle and nerve conduction?
Which ions are responsible for the action potential in muscle and nerve conduction?
Signup and view all the answers
What is the electrical property of the cell membrane when it is at rest?
What is the electrical property of the cell membrane when it is at rest?
Signup and view all the answers
What is the term for the potential changes that occur in the membrane when the cells are active?
What is the term for the potential changes that occur in the membrane when the cells are active?
Signup and view all the answers
What is the process called when the membrane potential returns to its resting state after depolarization?
What is the process called when the membrane potential returns to its resting state after depolarization?
Signup and view all the answers
What is the approximate threshold potential value that a neuron must reach for an action potential to be generated?
What is the approximate threshold potential value that a neuron must reach for an action potential to be generated?
Signup and view all the answers
During which phase of an action potential does the permeability of the membrane to K+ ions increase?
During which phase of an action potential does the permeability of the membrane to K+ ions increase?
Signup and view all the answers
What are the substances that transmit impulses at synapses called?
What are the substances that transmit impulses at synapses called?
Signup and view all the answers
What happens to the membrane potential during the depolarization period?
What happens to the membrane potential during the depolarization period?
Signup and view all the answers
What are synapses in the context of neurons?
What are synapses in the context of neurons?
Signup and view all the answers
