Grade 12 Anatomy Labeling: The Human Heart
A Grade 12 science worksheet focusing on the external and internal anatomy of the human heart, including labeling and short answer questions.
Includes
Standards
Topics
Grade 12 Anatomy Labeling: The Human Heart
Name:
Date:
Score:
Carefully examine the diagrams of the human heart below. Label the indicated structures and answer the questions that follow.
Part 1: External Anatomy of the Human Heart

Label the following structures on the diagram above:
1. Superior Vena Cava:
2. Aorta:
3. Pulmonary Artery:
4. Right Atrium:
5. Left Atrium:
6. Right Ventricle:
7. Left Ventricle:
8. Inferior Vena Cava:
Part 2: Internal Anatomy of the Human Heart

Label the following structures on the diagram above:
9. Aortic Valve:
10. Mitral (Bicuspid) Valve:
11. Tricuspid Valve:
12. Pulmonary Valve:
13. Interventricular Septum:
14. Chordae Tendineae:
15. Papillary Muscle:
Part 3: Short Answer Questions
16. Describe the path of deoxygenated blood through the heart, starting from the vena cava.
17. What is the primary function of the valves in the heart?
18. Explain the difference between an artery and a vein in terms of blood flow direction relative to the heart.
Part 4: True or False
19. The left side of the heart pumps oxygenated blood to the body.
True
False
20. The pulmonary artery carries oxygenated blood from the heart to the lungs.
True
False
Related Worksheets
Grade 12 Biology: Dissection Fundamentals
This worksheet covers essential concepts and practices in biological dissection, including safety, tool identification, and ethical considerations for Grade 12 Biology students.
Evidence of Evolution Worksheet
Explore the various lines of evidence supporting the theory of evolution, including homologous structures, embryology, and fossil records.
Grade 12 Biology: The Integumentary System
This worksheet covers the structure, function, and common conditions of the human integumentary system for Grade 12 Biology students.
Neuromuscular Junction Worksheet
A Grade 12 Science worksheet covering the structure and function of the neuromuscular junction, including neurotransmission and muscle contraction.
Enzyme Activity Worksheet
Grade 12 Science worksheet focusing on enzyme activity, factors affecting it, and enzyme kinetics.
Muscles of the Leg: Structure and Function
A Grade 12 Biology worksheet exploring the anatomy, function, and types of muscles in the human leg.
Convergent Evolution Worksheet
Explore the concept of convergent evolution, where unrelated species develop similar traits due to similar environmental pressures.
Grade 12 Biology: Heart Rate
This worksheet explores the physiological mechanisms regulating heart rate, factors influencing it, and methods of measurement for Grade 12 Biology students.