Cardiovascular - study quiz 1

The heart is known as the body's

• battery

• pump

• pacemaker

• center

Which of the following are the main components of the cardiovascular system?

• Heart

• lungs

• blood

• blood vessels

The average heart beats _______________ times a day, and it cycles approximately ____________ gallons of blood in that time frame.

• 2,000 and 100,000

• 150,000 and 2,500

• 10,000 and 2,000

• 100,000 and 2,000

Which layer of heart tissue is the thickest?

• Endocardium

• Myocardium

• Pericardium

Which layer of heart tissue is a double membrane?

• Endocardium

• Myocardium

• Pericardium

They layer of heart tissue that causes blood to flow freely into vessels

• Endocardium

• Myocardium

• Pericardium

This divides the heart into Right and Left Sides

• Ventricle

• Bundle of HIS

• Septum

• Atrium

The period of time when the atria are filling

• contraction

• systole

• diastole

• fibrillation

Level of O2 and CO2 in RIGHT side of heart

• high O2 and low CO2

• high O2 and high CO2

• Low O2 and High CO2

• Low O2 and Low CO2

Where does your body get rid of the CO2 in your blood?

• Pulmonary Artery

• Pulmonary Vein

• Aorta

• Lungs