Science and Circulatory Systems Quiz

While observing a boiling pot, Rachel notes that steam rises as the water heats. Which process skill is she using?

• Measuring

• Classifying

• Observing

• Predicting

A student gathers data about pulse rate after walking, jogging, and running. What skill is he practicing?

• Inferring

• Interpreting data

• Predicting

• Estimating

Miguel tested different paper towels to see which absorbs the most water. What skill is this?

• Controlling variables

• Making hypothesis

• Using numbers

• Experimenting

An earthworm has blood moving through tubes. What type of circulatory system does it have?

• Closed

• Open

• Pulmonary

• Systemic

Insects have blood that flows freely around organs. What kind of circulatory system is this?

• Mixed

• Open

• Closed

• Diffused

Which of the following best describes a closed circulatory system?

• Blood directly bathes the organs

• Blood flows through vessels only

• There are no veins or arteries

• Blood is green

What is the correct flow of blood in the heart starting from the vena cava?

• Vena cava → Right atrium → Right ventricle → Lungs → Left atrium → Left ventricle → Aorta

• Vena cava → Right ventricle → Left atrium → Left ventricle → Aorta

• Aorta → Right atrium → Lungs → Left ventricle

• Vena cava → Lungs → Right atrium → Aorta

What chamber receives oxygen-poor blood from the body?

• Left atrium

• Left ventricle

• Right atrium

• Right ventricle

Which blood vessel carries oxygenated blood from the heart to the body?

• Pulmonary artery

• Aorta

• Vena cava

• Pulmonary vein

Pulmonary circulation moves blood between:

• Heart and body

• Heart and lungs

• Lungs and brain

• Lungs and stomach