- Skeletal System
- Main Function: Provides structure and support for the body, protects internal organs, and allows movement.
- Main Organ Involved: Bones.
- Respiratory System
- Main Function: Facilitates gas exchange, bringing oxygen into the body and expelling carbon dioxide.
- Main Organ Involved: Lungs.
- Muscular System
- Main Function: Enables movement of the body and maintains posture.
- Main Organ Involved: Muscles.
- Nervous System
- Main Function: Controls and coordinates body activities by transmitting signals between different parts of the body.
- Main Organ Involved: Brain.
- Nervous System
- Main Function: Controls and coordinates body activities by transmitting signals between different parts of the body.
- Main Organ Involved: Brain.
- Circulatory System
- Main Function: Transports blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body.
- Main Organ Involved: Heart.
- Digestive System
- Main Function: Breaks down food into nutrients that the body can absorb and eliminates waste.
- Main Organ Involved: Stomach.
- Urinary System
- Main Function: Filters blood to remove waste and excess water, producing urine.
- Main Organ Involved: Kidneys.
- Reproductive System (Male)
- Main Function: Produces and transports sperm for reproduction.
- Main Organ Involved: Testes.
- Reproductive System (Female)
- Main Function: Produces eggs and supports the development of a fetus during pregnancy.
- Main Organ Involved: Ovaries.
- Endocrine System
- Main Function: Regulates bodily functions through hormones.
- Main Organ Involved: Pituitary gland.
- Immune System
- Main Function: Defends the body against pathogens and foreign substances.
- Main Organ Involved: Spleen.
Parent Tip: Review the logic above to help your child master the concept of system of the human body worksheet.