Circulatory System Review

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Tags

NGSS.MS-LS1-3

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.

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,

Tags

NGSS.MS-LS1-3

The circulatory system works with the ___________ system to provide our body with oxygen.

• respiratory

• digestive

• muscular

• skeletal

Tags

NGSS.MS-LS1-3

As the blood reaches the lungs, what is removed from the blood?

• oxygen

• carbon dioxide

• red blood cells

• white blood cells

The main function of the circulatory system is 

• To give the body structure and support
• Excrete waste
• transport blood, nutrients, and gases throughout the body
• to transport messages from the body to the brain

State one reason why blood at location B contains more oxygen than blood at location A.

• because blood at location A goes to the lungs

• because blood at location A comes from the lungs

• because blood at location B comes from the lungs

• because blood at location B goes to the lungs

Tags

NGSS.MS-LS1-3

Identify the structure the arrow is pointing to

• right atrium
• right ventricle
• left atrium
• left ventricle

Identify the structure the arrow is pointing to

• right atrium
• right ventricle
• left atrium
• left ventricle

Identify the structure the arrow is pointing to

• right atrium
• right ventricle
• left atrium
• left ventricle