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Author Question: In a healthy heart, the electrical impulse that initiates contraction of the cardiac muscle ... (Read 63 times)

Chloeellawright

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on: Jul 2, 2018
In a healthy heart, the electrical impulse that initiates contraction of the cardiac muscle originates in the:
 
  a. right atrium.
  b. left atrium.
  c. ventricles.
  d. interventricular septum.

Question 2

Which of the following is a function of the skeletal system?
 
  a. Producing blood cells
  b. Securing the abdominal organs in place
  c. Providing structure to blood vessels
  d. Forming the vital organs of the body


234sdffa

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Reply #1 on: Jul 2, 2018
Answer to Question 1

Answer: a

Answer to Question 2

Answer: a


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