Circulatory

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

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

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.

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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,

What system is shown in the picture?

• Circulatory System

• Muscular System

• Nervous System

• Digestive System

What organ is the main organ of the circulatory system?

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

• respiratory

• digestive

• muscular

• skeletal

Which is responsible for providing oxygen to cells?

• respiratory system

• circulatory system

• muscular system

• nervous system

Which best describes the relationship between the muscular system and the circulatory system?

• The circulatory system captures carbon dioxide from the air for muscle energy.

• The circulatory system produces red blood cells to bring oxygen to the muscles

• The circulatory system provides a framework for muscle movement

• The circulatory system delivers oxygen for muscle energy

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

• veins

• heart

• stomach

• arteries