Heart

Unoxygenated blood enters the right atrium from the top of the heart.

• inferior vena cava
• superior vena cava
• aorta

Tags

NGSS.MS-LS1-3

name of the valve that separates right atrium from right ventricle.

• tricuspid
• aortic
• mitral

Unoxygenated blood enters the right atrium from the bottom of the heart.

• inferior vena cava
• superior vena cava
• pulmonary veins

Valve that blood is forced through from right ventricle into pulmonary arteries.

• pulmonary valve
• aortic valve
• mitral valve

Name of the valve that separates left atrium from left ventricle.

• mitral valve
• tricuspid
• pulmonary valve

How many chambers does the heart have?

• 4

• 10

• 3

• 1

When does your heart beat?

• Only when you are exercising

• Only when you are sleeping

• All the time

How many atria are there?

• 1

• 7

• 2

• 4

How many ventricles are there?

• 1

• 2

• 10

• 0

Which of the following are chambers of the heart?

• Valves

• Atrium and ventricle

• Arteries and veins

• Sinoatrial nerve