Cardiovascular System Lesson

The relaxing of the heart is known as

• Diastole

• Systole

• Heart Rate

• Cardiac Arrest

The contraction of the heart is known as?

• Stroke volume

• Diastole

• Cardiac cycle

• Systole

Tags

NGSS.HS-LS1-3

These carry blood away from the heart

• Arteries

• Veins

Which of the following is FALSE about pacemaker cells?

• They allow the heart to beat on its own

• They create their own electrical impulses

• They are part of the sinoatrial node and the atrioventricular node

• They require depolarizing stimulation from the brain

Tags

NGSS.HS-LS1-3

How many valves does  the heart have ? 

• 7

• 4

• 3 

• 2 

How many chambers does the heart have ? 

• 4

• 6

• 3

• 1

What creates the "lub dub" heart sounds?

• Flow of blood

• Closing of valves

• Opening of valves

• Breathing

Which of the following is a Blood vessel?

• Ventricles

• Heart

• Arteries

• Septum

The Vagus nerve stimulates the SA Node to speed up the heart beat - True or False

• TRUE

• FALSE

Tags

NGSS.HS-LS1-3

When blood leaves this chamber of the heart, it heads to the lungs

• right atrium

• right ventricle

• left atrium

• left ventricle