7th Grade Health- Bone, Muscle, and Skin

This is the smallest unit of organization in the human body. 

• Tissue 
• Organ 
• Cell
• Organ System 

This is the second smallest unit of organization in the human body.

• Organ 
• Cell 
• Tissue 
• Organ system 

This is the third smallest unit of organization in the human body. 

• Organ 
• Cell 
• Tissue 
• Organ System 

This is the fourth smallest unit of organization in the human body. 

• Cell 
• Tissue
• Organ 
• Organ System

What is the boundary of an animal cell called?

• Cytoplasm 
• Cell Wall 
• Nucleus 
• Cell Memebrane 

A structure that is made up of at least two different types of tissues is an 

• Cell 
• Organ 
• Bell Tower 
• Homeostasis 

What is a unit of organization that represents an organ 

• blood 
• muscle cell 
• heart 
• digestive system 

The respiratory system 

• supports and protects the body 
• takes oxygen into the body 
• transports materials to and from body cells 
• controls body processes by means of chemicals 

The five major functions of the skeletal system are 

• Provide shape and support
• Protect organs 
• enable us to move, produce blood cells, and store minerals 
• all of the above

What is the name of the bone that makes up the center of the skeleton?

• Skull 
• Pelvic Girdle 
• Backbone 
• Femur