STRUCTURE OF THE HUMAN HEART

Which of the following is true about the human heart?

• It is about the size of a foot.

• It lies below the two lungs.

• It is a muscular organ.

• It is divided into 6 chambers.

How many chambers does the heart have ? 

• 5

• 4

• 3

• 6

The bottom chambers of the heart are called__________.

• ventricles

• atria

• valves

• vena cava

Which part of the heart pumps deoxygenated (oxygen-poor) blood?

• Left side

• Right side

• Top side

• Bottom side

When looking at the heart, which side is the right?

• my right

• my left

• at the apex

• at the base

What is the largest artery in the human body?

• aorta 

• lung

• ventricle

• vein

Identify #2.

• Superior vena cava

• Inferior vena cava

• Septum

• Aorta

identify #1.

• Superior vena cava

• Inferior vena cava

• Right ventricle

• Left ventricle

Which structure divides the heart into right and left side?

• right ventricle

• left ventricle

• right atrium

• septum

What is the main organ in the circulatory system?

• heart

• vein

• aorta

• artery