A&P Ch 22 Kuntzman Matching
What is the Frank-Starling law of the heart? |
The more the heart is stretched = the greater the force of contraction |
What does the cardiac cycle consist of |
Consists of the systole & diastole of both atria, rapidly followed by the systole & diastole of both ventricles |
Which blood vessel primarily delivers deoxygenated blood from parts of the above above the heart? |
Epicardium on the surface of the heart which is a protective layer |
List some factors that affect heart rate |
Epinephrine, norepinephrine, thyroid hormones, correct sodium - potassium - and calcium concentrations, emotions, age, gender, physical fitness, & temperature |
What 8 things are found in the mediastinum? |
1)Heart, vessels of the heart 2)esophagus 3)trachea 4)phrenic nerve 5)cardiac nerve 6)thoracic duct 7)thymus 8)lymph nodes of central chest |
Ventricular repolarization |
What is the valve between the right atrium & right ventricle? |
What blood vessels are taking blood to the myocardium? |
The left & right coronary arteries |
An anatomical region that includes all the visceral organs within the thoracic cavity except the lungs |
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