Circulatory System

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Tags

NGSS.MS-LS1-3

Arteries carry oxygen rich blood away from the heart.

• True

• False

Veins carry oxygen poor blood back to the heart.

• False

• True

The job of the heart is to . . .

• pump blood around the body.

• send food to the small intestines.

• break down food.

• give energy to the body.

The heart is about the size and shape of your . . .

• head

• fist

• hand

• foot

Which of the following is NOT part of the circulatory system?

• heart

• blood

• bones

• arteries

What is the name for a circulatory system that has blood leave heart to go to lungs then goes back to heart before delivering the oxygenated blood to the rest of the body?

• Double Pump

• Triple Pump

• Single Pump

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

• inferior vena cava
• superior vena cava
• pulmonary veins

Tags

NGSS.MS-LS1-3

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

• inferior vena cava
• superior vena cava
• aorta

Major artery at the top of the heart sends oxygenated blood from the left ventricle to the rest of the body.

• aorta
• pulmonary artery
• inferior vena cava