Choose the correct sequence of current flow through the heart wall.
a. AV node, SA node, Purkinje fibers, AV bundle of His, right and left bundle branches
b. SA node, AV node, AV bundle of His, right and left bundle branches, Purkinje fibers
c. SA node, Purkinje fibers, AV node, AV bundle of His, right and left bundle branches
d. AV node, Purkinje fibers, AV node, AV bundle of His, right and left bundle branches
e. Purkinje fibers, AV node, AV bundle of His, right and left bundle branches, SA node
Answer: b. SA node, AV node, AV bundle of His, right and left bundle branches, Purkinje fibers
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One of the parallel filaments projecting from a bird's main feather shaft is called a(n) ________________________________________
Fill in the blank(s) with correct word
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