5?

• Aorta
• Pulmonary Valve
• Atrium
• Ventricle

Tags

NGSS.MS-LS1-3

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

• inferior vena cava
• superior vena cava
• aorta

How many chambers does the heart have?

• 1
• 2
• 3
• 4

What is the arrow pointing to?

• right atrium

• left atrium

• right ventricle

• left ventricle

The main artery in the heart is the

• aorta

• vena cava

• pulmonary artery

• pulmonary flow

What part of the heart divides the ventricles into two sides?

• ventricular separator

• divider

• Septum

What color is oxygenated blood?

• bright red

• bright blue

• dark, dark red

• orange

Your heart always pumps at the same rate.

• True

• False

Tags

NGSS.HS-LS1-3

The heart is made of which of the following types of muscles?

• Cardiac muscle

• Striated muscle

• Smooth muscle

• None of the above

How big is the heart?

• Size of a golfball

• Size of your fist

• Size of your eyeball

• Size of your head