Gazi Salahuddin Siddiquee

Presented by

Lecturer, Agrani School and College

Look at the picture and discuss with others

Can you tell why smoke out from the car?

Discuss about the two picture with your friends

Show the differences between the two cities

Make similarities between the two pictures

Today's Lesson

Chapter 12

Excretory system of

human body

LEARNING OBJECTIVES

Candidates should be able to:

* Define excretion as the removal of toxic substances

* Describe the excretory system of human body

* What is urine?

* Formation of urine

* Importance of excretory system

Excretory system

of human

body

How our excretory system works

F:\Teaching\A2I WORK\Urinary System\Movi

Group Work

• Think why we need excretory system?

Group A

Group B• Think if we do not have excretory system?

Group C

• Think which animals do not have excretory system?

External structure of Kidney

Identify the organs (Individual work)

A B

CD

Mind mapping

?

?

??

?Functions

of Kidney

Internal structure of Kidney

Structure of the Nephron

Mind mapping of Nephrone

Nephrone

Malpigian Corpasol

Malpigian Tubule

Bowmans Capsul

Glomerulus

Proximal tubule

Loop of Henle

Distal Tubule

Collecting duct

Filtration by Glomerulas

Simulation

Excretion

Definition of Excretion?

Description of the excretory system

Definition of Urine?

Formation of Urine?

Definition of Nephrone?

Functions of Kidney