The Circulatory System

The heart is divided into how many parts.

• 2
• 4
• 8
• 1

Veins carry oxygen poor blood back to the heart.

• False
• True

The five main parts of the circulatory system are?

• heart, blood, nutrients, flakes, skin
• heart, blood, valves, crust, mantle
• heart, blood, veins, arteries, capillaries 
• heart, blood, cells, skin, nerves

The four chambers of the heart are:

• Right Atrium, Right Ventricle, Left House, Left In
• Right Atrium, Right Ventricle, Left Atrium, Left Ventricle
• Right Atrium, Right Ventricle, Left Car, Left Room
• Right Atrium, Right Ventricle, Left Aboard, Left Vehicle

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

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

• head

• fist

• hand

• foot

How does the heart work?

• It pumps blood first to the lungs, back to the heart and then around the rest of the body.

• It pumps blood first to the rest of the body, back to the lungs and then to the heart.

• It pumps blood around the rest of the body, back to the heart and then to the lungs,

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

About how many times does the heart beat during an average life time?

• 60,000
• 3 billion
• 3,000
• 300,000