Practice identifying major human body systems, their functions, and the ways they interact to keep the body alive and healthy.
Read each problem carefully. Answer in complete sentences and explain your thinking when asked.
Learning the main body systems and how they work together
Biology - Grade 6-8
- 1
Name the body system that carries oxygen and nutrients to cells and removes wastes through the blood. Describe its main job.
- 2
The lungs are the main organs of which body system, and what does that system do?
- 3
Explain how the digestive system helps the body get energy from food.
- 4
Which body system includes the brain, spinal cord, and nerves? State one main function of this system.
- 5
Muscles and bones work together to help the body move. Name these two systems and explain how they interact.
- 6
What is the main function of the skeletal system besides helping the body move?
- 7
The skin is the largest organ in the body. Which body system is it part of, and what are two jobs it does?
- 8
How do the respiratory system and circulatory system work together?
- 9
Which body system helps remove liquid wastes from the blood and out of the body? Name one organ in this system.
- 10
A person touches a hot pan and quickly pulls their hand away. Which body system detects the heat, and which body system helps move the hand?
- 11
Why is it important for body systems to work together instead of separately?
- 12
Choose one body system and describe what might happen if it stopped working properly.