Quiz on Blood Circulation and Respiration

What is the air that enters the lungs rich in?

• Nitrogen

• Oxygen

• Hydrogen

• Carbon Dioxide

What is produced when the body uses up oxygen?

• Nitrogen

• Hydrogen

• Carbon Dioxide

• Ozone

What is the blood called that is rich in carbon dioxide?

• Oxygenated Blood

• Waste-Rich Blood

• Deoxygenated Blood

• Nutrient-Rich Blood

Where is the blood rich in carbon dioxide transported to?

• Heart

• Lungs

• Brain

• Kidneys

What does the heart pump to the whole body?

• Blood rich in Carbon Dioxide

• Blood rich in Oxygen

• Nutrient-Rich Blood

• Waste-Rich Blood

What happens to carbon dioxide when we exhale?

• It is absorbed by the blood

• It is removed from the lungs

• It is converted to oxygen

• It is stored in the heart

What process is repeated each time we breathe?

• Blood circulation process

• Oxygen absorption process

• Carbon dioxide production process

• Nutrient absorption process

What is the first step in the breathing process?

• Exhaling air

• Inhaling air

• Producing carbon dioxide

• Transporting blood

What is the role of the heart in blood circulation?

• To filter blood

• To produce carbon dioxide

• To pump blood

• To absorb oxygen

What type of blood is transported to the lungs?

• Blood rich in Oxygen

• Blood rich in Carbon Dioxide

• Nutrient-Rich Blood

• Waste-Rich Blood