Grade 9 Health Worksheet: The Human Body
This worksheet covers fundamental concepts of human anatomy and physiology, focusing on key organ systems and healthy living practices for Grade 9 science students.
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Grade 9 Health: The Human Body
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Read each question carefully and answer to the best of your ability. Use the provided space for your responses.
1. Which of the following is the primary function of the circulatory system?
Breaking down food
Transporting oxygen and nutrients
Filtering waste from the blood
Producing hormones
2. Which organ is responsible for pumping blood throughout the body?
Lungs
Kidneys
Heart
Liver
3. The system is responsible for taking in oxygen and expelling carbon dioxide.
4. The brain and spinal cord make up the nervous system.
5. A balanced diet and regular are crucial for maintaining good physical health.
6. Describe the main function of the digestive system.
7. Identify the four main chambers of the heart shown in the diagram below.
a.
b.
c.
d.
8. Vaccines help the immune system develop antibodies against diseases.
True
False
9. Stress has no significant impact on physical health.
True
False
10. Explain the importance of sleep for adolescent health, touching upon both physical and mental well-being.