Formed elements make up about what percentage of blood?

Which chamber has the thickest wall of all?

(Refer to the above diagram FIG.1.) Where is the bicuspid (mitral) valve?

When hemoglobin is recycled, __________________.

Cardiac output is increased by

People with type AB blood are considered the “universal recipient” for transfusions because

(Refer to the diagram above FIG.4) Identify the wave labeled “1” .

The pressure that must be overcome before a semilunar valve can open for blood ejection is called __________.

An arrhythmia is a problem with the rate or rhythm of the heartbeat. Heart rate < 50 bpm is called ___________.

(Refer to the diagram above FIG.5.) Identify the cell labeled “6.”