Levels of Organization

What level of organization is the liver? 

• cell
• tissue
• organ
• organism 

What is a group of cells that perform a specific function? 

• organism
• tissue
• organ
• organ system

What is the most basic unit of all living things? 

• cell
• organ
• organelle
• tissue

What is the most complex level of organization? 

• tissue
• organism 
• organ system 
• cell 

What forms when a group of organs work together to perform a specific job?

• organ system
• organ
• tissue 
• organism 

What is the largest organ for the human body?

• heart
• lungs
• skin
• muscles 

Which choice shows the level of organization from the simplest to the most complex? 

• organism, cell, organ, tissue, organ system 
• cell, tissue, organ, organ system, organism 
• tissue, organ, organism, organ system, cell
• cell, tissue, organism, organ, organ system 

Which system gets carries nutrients and other substances to cells and gets rid of wastes?

• Circulatory System
• Nervous System
• Digestive System 
• Skeletal System 

Which cells communite information from the brain to our body? 

• flat
• round
• branching 

Where could we find cells with hairlike structures?

• Ear
• Mouth
• Brain