Exam 13:The Heart-Part B

The sequence of events in one heartbeat is called the ___________________________.

The superior vena cava returns blood from the _______________________ to the ______________________ of the heart.

The first branches of the ascending aorta are the ______________________ arteries,which take blood to the ____________________.

The myocardium forms the ______________________________ of the heart.

The term diastole means ________________________ of the heart chambers.

The right and left AV valves prevent backflow of blood from the _________________ to the _____________________ when the ____________________ contract.

The percent of the blood in a ventricle that is pumped out during systole is called the __________________.

The layer of the heart wall that prevents abnormal clotting is the ______________________.

The innermost of the pericardial membranes is the ______________________ pericardium.

The amount of blood pumped by the left ventricle in one minute is called _________________________.

The heart rate is decreased by impulses carried by ________________________ nerves.

The function of the serous fluid of the pericardial membranes is to ___________________________.

The term for relaxation of the chambers of the heart is ____________________________.

In the cardiac cycle,some passive blood flow occurs from the _________________ to the _______________________.

The ___________________________ emerges from the right ventricle and takes blood to the ___________________________.

The middle layer of the pericardial membranes is the ___________________ pericardium.

If cardiac output is 4900 mL and pulse is 70 bpm,then stroke volume is _________________.

During the cardiac cycle,the ______________________ contract first,followed by contraction of the _______________________.

If cardiac output is 6000 mL and stroke volume is 75 mL,then pulse is _________________.

The amount of blood pumped by a ventricle in one beat is called ______________________.