What is present at the axon hillock that allows the production of action potentials?
A. Muscarinic receptors
B. Voltage-gated channels
C. Chemical-gated channels
D. Ligand-gated channels
Answer: B
Anatomy & Physiology
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a. True b. False Indicate whether the statement is true or false
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During aging or apoptosis, the structure and function of the organelles and chromosomes undergo many degenerate changes.
a. true b. false
Anatomy & Physiology
Explain the effect of the parasympathetic nervous system on cardiac muscle cells
What will be an ideal response?
Anatomy & Physiology
Valves of the heart open and close due to
A) electrical signals. B) contraction of papillary muscles. C) pressure changes. D) timing sequences. E) None of the answers are correct.
Anatomy & Physiology