Circulatory & Respiratory Systems Quiz

What does the respiratory system bring into the lungs?

• Glucose

• Blood

• Oxygen

• Nutrients

What does the circulatory system carry to the cells?

• Oxygen and nutrients

• Oxygen and glucose

• Glucose and carbon dioxide

• Nutrients and carbon dioxide

What is the role of the diaphragm muscle in breathing?

• It moves sideways to allow air in and out.

• It contracts and relaxes to pump blood.

• It moves up and down to allow air in and out.

• It moves down to allow air in when breathing in and moves up to push air out when breathing out.

What protects the lungs?

• The diaphragm

• The bronchi

• The ribs

• The alveoli

What important activity takes place in the lungs?

• Food is digested
• Waste filtered from blood
• Oxygen (O2) is exchanged for Carbon Dioxide (CO2)
• Trachea is exchanged for the larynx

What is another name for the windpipe?

• Lungs
• Trachea
• Larynx
• Esophagus

What is the primary function of the respiratory system?

• Breaking down nutrients

• Removing waste from the body

• Transporting oxygen to cells

• Producing hormones

The bottom chambers of the heart are called

• ventricles
• atria
• vena cava
• valves

_________ Carry blood away from the heart to various organs

• Arteries
• Capillaries
• Veins

__________ Very small tubes that connect arteries to veins; the smallest blood vessels.

• Veins
• Capillaries 
• Arteries