Ima

Definition:

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

Main points:

1. Digestive system – Digests food and gives energy.

2. Respiratory system – Helps us breathe.

3. Circulatory system – Carries blood and oxygen.

4. Nervous system – Controls thinking and actions.

5. Skeletal system – Gives shape and support.

6. Muscular system – Helps in movement.

7. Excretory system – Removes waste from the body.

Interesting points:

1. The heart works day and night without stopping.

2. The brain controls the whole body, even when we sleep.

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

4. The stomach uses strong acids to digest food.

5. An adult human body has 206 bones.

6. Muscles work in pairs to help us move.

7. Kidneys clean our blood every day.

Fun Fact:

Even when we are sleeping, our organ systems keep working to take care of our body.