Ima

Definition:

A human organ system is a group of organs that work together to do a special job in our body.

Main Points:

1. Our body has many organ systems.

2. Each organ system has a different function.

3. The digestive system digests 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 and muscular systems help in movement.

8. The excretory system removes waste from the body.

Interesting Points:

1. The heart works day and night without stopping.

2. The brain controls all body activities, even when we sleep.

3. The lungs help us breathe about 20,000 times a day.

4. The stomach has strong acids to digest food.

5. The skeleton has 206 bones in an adult body.

6. Muscles work in pairs to help us move.

7. Kidneys clean our blood every day.

Fun Fact:

All organ systems work together like a team to keep us alive and healthy.