Circulatory and Respiratory

De-oxygenated blood is pumped from the heart to the _____ to pick up oxygen and get rid of carbon dioxide.

• capillaries

• veins

• lungs

• heart

Which tiny blood vessels are the location of gas exchange for cells throughout the body?

• arteries

• veins

• capilaries

• coronary

What is the function of the circulatory system?

• To break down food and provide nutrients to the cells of the body.

• To provide nutrients and oxygen to the cells of the body.

• To circulate messages between the body and the brain.

• The heart, veins, and arteries.

Which of the following include only structures of the circulatory system?

• heart, brain, and lungs

• lungs, oxygen, and blood

• oxygen, carbon dioxide, and lungs

• heart, veins, and arteries

De-oxygenated blood (carrying carbon dioxide) travels through the ____ to the heart and then to the lungs.

• arteries

• veins

• capillaries

• coronary

What are the grape-like structure inside the lungs where gas exchange happens?

• bronchus tubes

• alveoli

• trachea

• diaphragm

Which muscle contracts and relaxes to move air in and out of our lungs?

• diaphragm

• bicep

• tricep

• heart

Oxygenated blood travels away from the heart to the rest of the body through the ______.

• arteries

• veins

• capillaries

• coronary

The function of the respiratory system is to inhale ____ gas and exhale the waste gas _____.

• oxygen, carbon dioxide

• carbon dioxide, oxygen

• nitrogen, carbon dioxide

What is the function of the diaphragm?

• Create the pumping of the heart by opening and closing valves

• Secrete oils from the skin, nails, and hair

• Aid the heart in circulating the blood

• press against the lungs to create the force to breath