Practice and Revision - Human Body and Organ Systems
Let us practise and revise what we learned about human body and organ systems. The human body has various organ systems working together, ea
Core concept
The digestive system breaks down food into nutrients, involving organs like the stomach, small intestine, and large intestine.
How it works
The respiratory system, including the lungs, facilitates the exchange of oxygen and carbon dioxide essential for cellular respiration.
Why it matters
The circulatory system, centred on the heart, transports blood, oxygen, and nutrients throughout the body via blood vessels.
Key detail
The nervous system, including the brain and spinal cord, coordinates body functions and responses to the environment.
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Quick notes
• Digestive system: breaks down food.
• Organs: stomach, small/large intestine.
• Respiratory system: exchanges O2, CO2.
• Includes lungs, essential for respiration.
• Circulatory system: transports blood.
• Centred on heart, uses blood vessels.
• Nervous system: coordinates body functions.
• Includes brain, spinal cord.