circulatory system

Front

What is the main organ of the circulatory system?

Back

heart

Front

The job of the heart is to...

Back

pump blood around the body.

Front

How does the heart work?

Back

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

Front

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

Back

respiratory

Front

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

Back

digestive

Front

Which system is responsible for providing oxygen to cells? Options: respiratory system, circulatory system, muscular system, nervous system

Back

circulatory system

Front

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

Back

The circulatory system delivers oxygen for muscle energy

Front

Deoxygenated blood means that the blood is low in...

Back

Oxygen

Front

About how big is the human heart?

• the size of your nose
• the size of your foot
• the size of your fist
• the size of your ear

Back

the size of your fist

Front

Which of the following is not part of the circulatory system? veins, heart, stomach, arteries

Back

stomach