Cell Organisation
This lesson covers:
- The levels of organisation within an organism, namely:
- The organelle, cell, tissue, organ, organ system, and organism level
- How the different levels work together
What are the levels of organisation in organisms, from least complex to most complex?
Organelles ➔ ➔ tissues ➔ ➔ organ systems
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What is a tissue?
A group of similar cells working together to perform a common function
A group of organelles with similar structures working together
A collection of similar organs
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What is the cardiovascular system an example of?
Cell
Tissue
Organ
Organ system
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In plants, what are leaves examples of?
Cells
Tissues
Organs
Organ systems
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What is the definition of an organ?
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Which of the following organs are part of the cardiovascular system?
(Select all that apply)
Bones
Lungs
Heart
Spleen
Blood vessels
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Explain, using an example, why the digestive system is considered an 'organ system'.
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