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1
Organs
And organ systems
Objectives
Success Criteria
Describe the main organs in the body (L4/5)
Describe the major organ systems in the body (L5/6)
Must – name the main organs and organ systems in the body (L4)
Should – describe the function of the main organs in the body (L5)
Could – explain how the organs link up into organ systems and what their functions are
(L6)
Task
Stick the diagram of the body in your book and label the following organs:
brain
intestines
liver
lung
Stomach
Can you label any other ones?
Draw them in if you want.
What are the functions of…..?
In a house
Washing machine
Toilet
Dishwasher
Shower
In a car
Engine
Steering Wheel
Fuel Tank
Exhaust
Liver
Controls the amount of sugar in the blood
Kidneys
Make urine and clean the blood
Task 2
Choose three of the organs and write about what they do in your books
Extension: for the best students
Can you think of any organs in the body that work together to do jobs
Small intestine
Absorbs the useful parts of food
Did you know?
The small intestine is over 5m long.
Large Intestine
Converts leftover food into faeces
To transport substances around the body in the blood
To support the body and allow movement
To obtain oxygen and remove carbon dioxide
To get rid of wastes made by the body
To sense what happens in our surroundings and control the response
To make food into small molecules and take them into the blood
Brain
Control centre of the body
Heart
Pumps blood around the body
Did you know?
The heart pumps blood around the body over 1000 times every day
Lungs
Deliver oxygen into the blood
Stomach
Breaks down food so it can be absorbed
Did you know?
The area of the air sacs in the lungs are about the size of a tennis court