Lesson Worksheet: The Heart Biology

In this worksheet, we will practice describing the basic structure of the heart and explaining how the heart is adapted for its function.

Q1:

Which of the following best defines the term heart rate (bpm)?

  • AThe number of times the heart stops per minute
  • BThe volume of blood the heart releases per second
  • CThe volume of blood the heart releases per minute
  • DThe number of times the heart beats per hour
  • EThe number of times the heart beats per minute

Q2:

Why is the blood transported to the lungs?

  • ATo absorb water
  • BTo absorb carbon dioxide
  • CTo become deoxygenated
  • DTo become oxygenated

Q3:

From what chamber does the deoxygenated blood leave the heart to go to the lungs?

  • ARight ventricle
  • BRight atrium
  • CLeft atrium
  • DLeft ventricle

Q4:

From what chamber does the oxygenated blood leave the heart to be transported around the body?

  • ARight atrium
  • BLeft atrium
  • CRight ventricle
  • DLeft ventricle

Q5:

Through what chamber does the oxygenated blood from the lungs enter the heart?

  • ARight atrium
  • BLeft atrium
  • CRight ventricle
  • DLeft ventricle

Q6:

Through what chamber does the deoxygenated blood from the body enter the heart?

  • ARight ventricle
  • BRight atrium
  • CLeft ventricle
  • DLeft atrium

Q7:

What structures within the heart control blood flow from the atria into the ventricles?

  • AStents
  • BNerves
  • CArteries
  • DCapillaries
  • EValves

Q8:

Which of the following is not a chamber of the human heart?

  • ARight atrium
  • BRight ventricle
  • CRight aorta
  • DLeft ventricle
  • ELeft atrium

Q9:

How many chambers does the human heart have?

Q10:

The diagram provided shows a simplified version of the double circulatory system of the human body.

What is the major blood vessel represented by label A?

  • APulmonary artery
  • BVena cava
  • CAorta
  • DPulmonary vein

What is the major blood vessel represented by label B?

  • APulmonary artery
  • BAorta
  • CPulmonary vein
  • DVena cava

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