Circulatory System Quiz

What are the main organs of the circulatory system?

• brain, spine, & nerves

• heart, arteries, & veins

• heart, lungs, & veins

• skin, nails, & hair

What are the smaller branched tubes that connect the arteries and veins called?

• mini veins

• blood vessels

• capillaries

What system does the circulatory system work with to obtain oxygen for the body?

• digestive system

• cardiovascular system

• nervous system

• respiratory system

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

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.

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

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

What system works with the circulatory system to provide the body's cells with glucose

• respiratory

• digestive

• excretory

• circulatory