Author Question: The electrical impulse of the heart originates in the: A) coronary artery. B) SA node. C) AV ... (Read 73 times)

yoroshambo

  • Hero Member
  • *****
  • Posts: 566
The electrical impulse of the heart originates in the:
 
  A) coronary artery. B) SA node. C) AV node. D) none of the above.

Question 2

Numbers less than ten should always be spelled out, rather than using their numeric values.
 
  Indicate whether the statement is true or false



cici

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

B

Answer to Question 2

True



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

cici

  • Sr. Member
  • ****
  • Posts: 325

 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library