DA Public School “O” and “A” Levels Class: IV Session: 2011-12 Subject: General Science

DA Public School “O” and “A” Levels

Class: IVSession: 2011-12

Subject: General ScienceTeacher: Rubina Sabur

What Happens When We Eat

Learning Objectives

• AnalyzingTo enable students investigate the human bodyAt the end of the session they would be able to submit a chart with different diagrams

• Evaluating

To enable students determine the digestive system through investigation.At the end the students would be able to submit their investigation through a debate.

• Creating

To enable students to imagine the journey of food.At the end they would be able to explain it in the form of story.

Content

The Journey Of Food

The function of:-• Mouth, food pipe• Stomach• Small intestine• Large intestine and Anus• Liver• Good eating habits

Mouth

• Teeth

• Tongue • Saliva

Food Pipe/Wind Pipe

• Function of food pipe

• Function of wind pipe

Stomach

• Function of stomach

• Breakdown of food

• Addition of juices

• Food becomes like porridge

Small Intestine

• Addition of more juices

• Food becomes liquid

• Transfer of food into blood the through the walls of small intestine

Large Intestine

• Waste food passes into the large intestine

• Process of water absorption

Liver

• Biggest organ of the body

• Function of liver

• Bile

Good Eating Habits

• Eating Correctly– Washing hands– Chewing food well– Not talking while eating– Eating at fixed times– Drinking lots of water– Eating healthy food– Eating while sitting– Resting after eating

Label The Digestive System

Overview/Recap

• Digestive system– Mouth– Food Pipe– Stomach– Small Intestine– Large Intestine– Anus– Liver

References

• Wikipedia• www.innerbody.com• www.Digestive.niddk.nih.gov

Thankyou