Unit 6 Study Quizizz (65 Questions)

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

• inferior vena cava
• superior vena cava
• aorta

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.

• bicuspid valve

• tricuspid valve

• pulmonary valve
• aortic valve

What portion of the heart is supposed to be  the most muscular?

• upper
• lower
• septum

Which of the following are chambers of the heart?

• Valves

• Atrium and ventricle

• Arteries and veins

• Sinoatrial nerve

How many atria are there?

• 1

• 7

• 2

• 4

How many ventricles are there?

• 1

• 2

• 10

• 0

What keeps blood flowing in the right direction?

• Atria

• Chambers

• Valves

• Veins