Cells, tissues, organs and organisms

 

	cluster of cells make tissues
	different tissues then build organs
	organs working together build an organism!

Cells, Tissues, Organs and Organ System in Plants:

 

Palisade Cell	Palisade Tissue	Leaf - an Organ	Plant - an Organism
A single cell	A group of similar cells doing the same job is called a TISSUE. Each tissue perform a particular function within an organism	An ORGAN is made up of different type of tissues	A group of organ systems working together make a whole ORGANISM

 

 

Cells, Tissues, Organs and Organ System in Animals:

Muscle Cell	Muscle Tissue	Heart - Organ	Human Body - Organism
A single cell	A group of similar cells doing the same job is called a TISSUE. Each tissue perform a particular function within an organism	An ORGAN is made up of different type of tissues	A group of organ systems working together make a whole ORGANISM

Cells and their activities

 

🔬 Knowledge Check: Cells, Tissues, and Organs

Test your understanding of how living things are organized, from microscopic cells to complex organ systems.

1. Which of the following is defined as a group of similar cells working together to perform a specific function?

• An organ
• A tissue
• An organ system

2. Which animal tissue is responsible for covering the surfaces of the body?

• Muscle tissue
• Nervous tissue
• Epithelial tissue

3. Which of these is an example of a plant organ?

• Stomach
• Root
• Muscle

4. The heart, blood vessels, and blood working together are part of which system?

• The circulatory system
• The respiratory system
• The nervous system

5. What is the correct order of organization from smallest to largest?

• Organ → Tissue → Cell → Organ System
• Cell → Tissue → Organ → Organ System
• Cell → Organ → Tissue → Organ System

Click to Reveal Answers

1. A tissue (Groups of similar cells).
2. Epithelial tissue (Covers body surfaces).
3. Root (Along with leaves, stems, and flowers).
4. The circulatory system (Transports materials around the body).
5. Cell → Tissue → Organ → Organ System (The biological hierarchy).

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