Page 40 - ACTIVE SCIENCE 4 TOC
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Circulatory and
5 Excretory System
Learning Objectives
To Understand:
• The circulatory system • The excretory system
To Find Out:
• What are arteries? • About capillaries
• What is urethra?
Let’s Begin
The body of living things need energy to work. This energy, they get from food they
eat. The food after digestion, needs to be carried to all the body parts. The energy
contained in food reaches to all the body parts by the circulatory system. When the
body uses energy for various activities, a number of waste products are produced.
The excetory system removes these wastes from the body.
Tick the correct box based on whether you can see the body part from
outside or not.
1. Heart can see cannot see
2. Kidneys can see cannot see
3. Brain can see cannot see
4. Eyes can see cannot see
5. Ears can see cannot see
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Active Science-4

