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Fofino [41]
2 years ago
5

Conduction of heart beat​

Biology
1 answer:
12345 [234]2 years ago
3 0

Answer:

Explanation:

The cardiac conduction system are specialized cardiac muscle cell that are located in the walls of the heart and sends signals to the heart muscle. These signals cause the heart to contract. The main components of this system are AV node, bundle of His, SA node, bundle branches, and the Purkinje fibers.

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Answer:

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Explanation:

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Essential nutrients obtained from food include carbohydrates, fats and oils, proteins, water, as well as certain vitamins and minerals. These essential nutrients that we get from our food are needed for good growth and development, prevention of diseases, as well as for maintaining good health.

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Answer:

C

Explanation:

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meriva

Answer:

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