NATURAL SCIENCE - YEAR 4 - UNIT: BODY SYSTEMS AND HUMAN NUTRITION - LESSON: THE EXCRETORY SYSTEM

 NATURAL SCIENCE - YEAR 4

UNIT: BODY SYSTEMS AND HUMAN NUTRITION

LESSON: THE EXCRETORY SYSTEM

                                                         

And yes! It's time to sing our Unit's song... Show how good you are!!

One question for you... Do you think that our body needs all the substances that we eat or drink?... Well, no... Now we know that our intestines eliminates the rest of food that we don't need... But what happens with the liquid substances? How are they eliminated??

Well, that is the job of the excretory system... And this video shows you how it works:

CLICK ON THIS LINK TO SEE THE VIDEO ABOUT THE EXCRETORY SYSTEM

And this is our lesson's summary:

GLOSSARY

INTERACTIVE ACTIVITIES:

THE EXCRETORY SYSTEM I

THE EXCRETORY SYSTEM II

THE SWEAT GLANDS I

THE SWEAT GLANDS II