Term
| vessels that carry good to and from gas exchange surfaces on lungs |
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Definition
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Term
| vessels that transport blood to and from the rest of the body |
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Definition
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Term
| What connect the smalls arteries and veins and are the exchange vessels because their thin walls permit exchange of nutrients, dissolved gases, and waste products between the blood and surrounding tissues? |
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Definition
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Term
| What is a cardiac muscle and never rests? |
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Definition
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Term
| About how many times does the heart beat per day? |
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Definition
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Term
| How many liters of blood does the heart pump in one day? |
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Definition
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Term
| About how big is your heart? |
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Definition
| the size of your clenched fist |
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Term
| What are the two upper chambers of the heart that receive blood? |
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Definition
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Term
| What are the two lower or pumping chambers of the heart? |
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Definition
| right and left ventricles |
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Term
| What is the inferior pointed tip of the heart? |
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Definition
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Term
| Which way does the heart tilt? |
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Definition
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Term
| What directly covers the outer surface of the heart? |
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Definition
| visceral pericardium or epicardium |
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Term
| What lines the inner surface of the pericardial sac which surrounds the heart? |
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Definition
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Term
| What consists of collagen fibers and stabilizes the position of the heart? |
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Definition
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Term
| What is the space between the visceral and parietal pericardium? |
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Definition
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Term
| How much pericardial fluid serves as a lubricant reducing the friction of heartbeats between the visceral and parietal pericardium in the pericardial cavity? |
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Definition
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Term
| What happens when a valve closes? |
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Definition
| it prevents back flow of blood |
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Term
| inflammation of heart that occurs in children with severe reactions to infection by streptococal bacteria |
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Definition
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Term
| What is one of the first symptoms of coronary artery disease? |
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Definition
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Term
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Definition
| sensation of pressure, chest contraction, and pain that may radiate from the sternal area to the arms, back, and neck |
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Term
| What is the pacemaker of the heart? |
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Definition
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Term
| Where is the sinoatrial node located? |
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Definition
| where superior vena cava enter the right atrium |
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Term
| heart rate is slower than normal |
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Definition
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Term
| faster than normal heart rate |
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Definition
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Term
| contraction, chamber contracts and pushes blood into an adjacent chamber or trunk |
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Definition
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Term
| relaxation chamber fills with blood and prepares for next cardiac cycle |
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Definition
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Term
| What is the upper number of blood pressure? |
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Definition
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Term
| What is the lower number of blood pressure? |
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Definition
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Term
| What is the average blood pressure? |
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Definition
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