circulatory system

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Arteries carry oxygen rich blood away from the heart.

• True

• False

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

Veins carry oxygen poor blood back to the heart.

• False

• True

The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 

• respiratory 
• digestive
• skeletal
• nervous

Which is the correct definition of the Circulatory system?

• The system fights disease so the body stays healthy.
• The system that circulates blood and oxygen through the body, consisting of the heart,blood vessels,and blood.
• Breaks down food into smaller pieces and absorbs those nutrients into the body.
• Provides shape and structure for the body.

The heart has ___ chambers.

• 1
• 2
• 3
• 4

What is the Circulatory System also known as?

• The heart
• Cardiovascular System
• Nervous System
• Aorta

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle