Transport in Animals

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Cardiac muscle is...
Myogenic
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Myogenic:
automatically contracts and relaxes
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The cardiac cycle is initiated by a small patch in the Right atrium:
Sino-atrial node (SAN)
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Another word for SAN:
'The Pacemaker'
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The wave spreads from the SAN to its only route through a small patch of conducting fibres:
atrio-ventricular node or AVN
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the excitation spreads across the atria, after a delay of about?
0.1 seconds
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Then passing onto a bunch of conducting fibres called? running down the?
Purkyne tissue. Septum.
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Other cards in this set

Card 2

Front

Myogenic:

Back

automatically contracts and relaxes

Card 3

Front

The cardiac cycle is initiated by a small patch in the Right atrium:

Back

Preview of the front of card 3

Card 4

Front

Another word for SAN:

Back

Preview of the front of card 4

Card 5

Front

The wave spreads from the SAN to its only route through a small patch of conducting fibres:

Back

Preview of the front of card 5
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