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Fed [463]
3 years ago
8

In reference to the electrical activity of the heart, what signals the end of the cardiac cycle

Biology
1 answer:
Lelu [443]3 years ago
3 0

Answer:

The electrical impulse travels from the sinus node to the atrioventricular node (also called AV node). There, impulses are slowed down for a very short period, then continue down the conduction pathway via the bundle of His into the ventricles.

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A genotype is controlled by the sex cells combining to form an organism. True or False
myrzilka [38]

True

A genotype is the combination of genes in its DNA of the organism that determines its traits

Explanation:

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brainly.com/question/11612019

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Help: explain how sunlight is the primary source of energy for the life of a bear...
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Answer:

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