Welcome to honorable chair and honorable audience Presented

Welcome to honorable chair and honorable audience. Presented by: Md Shohidul Islam Jadunath School and College. Dasani, Bagerhat

Look at the picture and think about it Can you tell why smoke is coming out of the car?

Think about the two pictures Compare the two cities. Why is one dirty and another clean?

Today's lesson Class X Subject: General Science Topic: The excretory system of the human body

Learning Objectives Students will be able to : 1. Describe the excretory system 2. Name the functions of the excretory system 3. Describe the functions of the organs of the excretory system 4. State why we need an excretory system

The Human Excretory System

Now we will learn about our excretory system Renal Artery Renal Vein Kidney Uretor Urinary Bladder Urethra

Mind map of the excretory system Two Kidneys Excretory system Two Urators One Urinary Bladder One Urethra

Name the organs of the excretory system (Board work) 1 4 excretory system 3 2

Look at the picture and describe the shape of the kidney Our Kidney is Bean Shaped

Consider the Size of the Kidney Our kidney’s size is like that of our fist

Guess the size of the kidney The kidney’s size is approx 12 cm X 5. 5 cm X 3 cm

Which organ in our excretory system is like this pipe? uretor Our uretor is a pipe like structure

Which organ in our excretory system is like this balloon? Bladder We have a balloon like structure called a Bladder.

Group Study Group work A Why is the excretory system essential for us? Group work B If we have no excretory system what will happen to us? Group work C Where are excretory products produced in our body?

Functions of the excretory system Our kidneys filter our blood and produce urine

Functions of the excretory system Kidney remove excess water from our body

Functions of the excretory system Kidney remove waste products from our body

Evaluation 1. What is excretion? 2. Why do we need an excretory system? 3. Is an excretory system essential for living organisms? 4. Name the four organs of the excretory system.

Home work List the organs and functions of the excretory system

Acknowledgement • www. google. com