Answer the following questions

Answer the following questions. Submit your questions as an attachment.

  1. Name three substances in the diet that are essential for “good blood”. What blood disorders develop if these substances are absent from the diet?
  2. What factors influence cardiac output? Explain each.
  3. Describe the effects of epinephrine, norepinephrine, glucagon, and thyroid hormones on the contractility of the heart?
  4. Describe the function of the SA node in the cardiac cycle. How does this function differ from that of the AV node?

.. Submit your questions as an attachment.

  1. Name three substances in the diet that are essential for “good blood”. What blood disorders develop if these substances are absent from the diet?
  2. What factors influence cardiac output? Explain each.
  3. Describe the effects of epinephrine, norepinephrine, glucagon, and thyroid hormones on the contractility of the heart?
  4. Describe the function of the SA node in the cardiac cycle. How does this function differ from that of the AV node?