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Anatomy ch. 11*
The cardiovascular system
| Question | Answer |
|---|---|
| The cardiovascular system is composed of the ____________ and _____________________ | heart, blood vessels |
| blood vessels form the __________________ system | cardiovascular |
| _______________is an indicator of heartbeat | pulse |
| _________________is produced by the heartbeat | blood pressure |
| arteries and arterioles carry blood from the ______________to the rest of the body | heart |
| veins and venules carry blood from the ________ to the heart | body |
| ________________are small blood vessels that exchange materials with tissues | capillaries |
| _________________is the narrowing of a vessel | vasoconstriction |
| _________________is the widening of a vessel | vasodilation |
| the heart is made of ________________covered by a protective _________________ | myocardium, pericardium |
| the heart is composed of _____________chambers that are separated by a ___________into two halves | four, septum |
| the left half of the heart controls ________________ circulation | systemic |
| the right half of the heart controls ________________ circulation | pulmonary |
| the four major blood vessels are the _____________, pulmonary artery, _________________, and venae cavae " vena cava" | aorta, pulmonary veins |
| the _____________conduction system of the heart stimulates and coordinates the heartbeat | electrical |
| the fetal heart is disigned to keep blood away from the _________________ | lungs |
| one pumping action of the heart is called the ______________cycle | cardiac |
| ______________is the filling of the atria and ventricles, ______________ is the emptying of the ventricles | diastole, systole |
| ______________is the number of cycles per minute | heart rate |
| ______________is the amount of blood pumped per cycle | stroke volume |
| ______________is the volume of blood pumped per minute | cardiac output |
| ________________measures the electrical activity of the heart | electocardiography |
| an _______________is a recording of electrocardiography | ECG |
| ECGs are recorded as __________ | waves |
| the ______, _________, ______, ______, and _______waves make up the wave of a cardiac cycle | P,Q,R,S,T |
| the QRS complex, P-R interval, Q-T interval and S-T intervals are indicators of ________________ and _______________ | depolarization, repolarization |
| ________________have thicker and more muscular walls than veins | arteries |
| most of the exchange between the blood and tissues takes place across these vessels _______________ | capillaries |
| blood exits the heart through ________________ | arteries |
| _____________ECG feature indicates abnormalities of venticular depolarization | QRS complex |