Ima

Main Human Organ Systems

1. Digestive system – Digests food and gives energy.

2. Respiratory system – Helps us breathe.

3. Circulatory system – Carries blood, oxygen, and nutrients.

4. Nervous system – Controls thinking and body actions.

5. Skeletal system – Gives shape and support to the body.

6. Muscular system – Helps in movement.

7. Excretory system – Removes waste from the body.

Definition

A human organ system is a group of organs that work together to perform a special function in the body.

Main Points

1. The human body has many organ systems.

2. Each organ system has a specific job.

3. The digestive system helps in digesting food.

4. The respiratory system helps us breathe.

5. The circulatory system carries blood and oxygen.

6. The nervous system controls thinking and actions.

7. The skeletal system gives shape and support to the body.

8. The muscular system helps in movement.

9. The excretory system removes waste from the body.

10. All organ systems work together to keep the body healthy.

    
    

Fun Fact:

Even when you are sleeping, your organ systems are working to keep you alive!