Levels of organisation

1.

2.

Levels of organisation

3.

Objectives
● to undersatnd that the body of living organism is a higly organized structure
● to understadn that cells, tissue, organs and systems are the levels of
organization

4.

5.

6.

Cell
● basic unit of living organisms
● examples
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nerve cell
blood cell

7.

8.

Tissue
● group of cells perform same function
● examples
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muscle tissue
connective tissue

9.

10.

Organ
● group of different types of tissue work together to do specific function
● examples
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heart
stomach

11.

12.

Organ system
● group of organs working together to do body function
● examples
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digestive system
respiratory system

13.

14.

Analogies
● Pair work

15.

16.

Reading task
● Book page 27
● Green table
● Animal tissue – A group
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Epithelium
Connective tissue
Blood
Skeletal tissue
Nervous tissue
Muscle tissue
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Epidermis
Mesophyll
Parenchyma
Vascular tissue
Strenghtening tissue
● Plant tissue – B group
Read the table
Write unknown words
Translate these words
Make notes
A group explains to the B group
B group explains to the A group