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Excretory System
- Organ: Kidneys
- Function: Removes waste and excess fluids from the body through urine production.
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Nervous System
- Organ: Brain
- Function: Controls and coordinates body activities by transmitting signals between different parts of the body.
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Digestive System
- Organ: Stomach
- Function: Breaks down food mechanically and chemically for nutrient absorption.
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Circulatory System
- Organ: Heart
- Function: Pumps blood throughout the body to deliver oxygen and nutrients to tissues and remove waste.
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Respiratory System
- Organ: Lungs
- Function: Facilitates gas exchange—oxygen enters the bloodstream and carbon dioxide is expelled.
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Reproductive System
- Organ: Uterus (female) / Testes (male) — typically represented by female anatomy in such diagrams
- Function: Produces gametes and supports development of offspring; regulates reproductive hormones.
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Muscular System
- Organ: Skeletal muscles
- Function: Enables movement by contracting and relaxing; maintains posture and generates heat.
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Skeletal System
- Organ: Bones
- Function: Provides structural support, protects internal organs, and enables movement in conjunction with muscles.
Parent Tip: Review the logic above to help your child master the concept of major organ systems worksheet.
