Human body system review

The _____________________ is the body system that helps a person move and maintain posture.

• nervous system

• muscular system

• digestive system

• reproductive system

The ___________ are the main organs of the respiratory system. 

• veins
  
• lungs
• arteries
• kidneys

The ____________________ is the body system that transports oxygen, nutrients, and waste through the body.  

• respiratory system 
• digestive system
• circulatory system 
• immune system

The _______________________ consists of blood, blood vessels, and the heart.

• respiratory system

• circulatory system

• urinary system

• integumentary system

The ____________ is a muscular organ that pumps blood to the body through blood vessels. 

• vein 
• artery 
• heart
• kidney

The ______________________ is the body system that breaks food down so that it can be used by the body.  

• circulatory system 
• digestive system 
• respiratory system 
• skeletal system

This system transports oxygen, nutrients, and wastes and collects fluid lost from blood vessels and returns it to the bloodstream.

• circulatory
• respiratory
• skeletal
• digestive

This system breaks down food into nutrients the body can absorb.

• digestive
• excretory
• reproductive
• immune

This system fights pathogens (germs) and produces and stores white blood cells.

• immune

• muscular

• endocrine

• nervous

This system supports and protects vital organs, stores minerals, and produces red blood cells.

• skeletal
• muscular
• circulatory
• nervous