The lower chambers of the heart are known as...

• valves
• ventricles
• atria
• septum

The heart has ___ chambers.

• 1
• 2
• 3
• 4

The upper chambers of the heart are known as...

• valves
• ventricles
• atria
• septum

About how many times does your heart beat per minute?

• 20-60

• 40-80

• 60-100

• 80-120

The circulatory system works with the ___________ system to provide our body with oxygen.

• respiratory
• digestive
• muscular
• skeletal

Which of the following are the blood vessels that helps blood flow to the heart?

• Veins
• Arteries
• Cappillaries

Which of the following are the blood vessels that have a wall that is 1 cell thick?

• Veins
• Arteries
• Cappillaries

Which of the following are the blood vessels that have the thickest walls?

• Veins
• Arteries
• Cappillaries

What is the name of the circulation between the heart and lungs?

• Diastolic
• Systemic
• Pulmonary
• Coronary

What is the name of the circulation between the heart and the body?

• Diastolic
• Systemic
• Pulmonary
• Coronary