Human Body Systems

Which of the following is a component of the circulatory system?

• heart

• blood vessels

• blood

• all of these

The system that is responsible for the production of gametes is the

• excretory system

• reproductive system

• nervous system

• integumentary system

Muscle tissue functions to move

• blood.

• food in the digestive tract.

• bones.

• all of these

The functions of the skin include 

• defense against microbes. 
• regulation of body temperature. 
• prevention of dehydration. 
• All Answers

The system that recognizes and attacks foreign substances is known as the 

• integumentary system 
• immune system 
• digestive system 
• nervous system 

The system that involves the skin as a primary structure is called the -?-.

• integumentary system

• digestive system

• muscular system

• endocrine system

The heart and the blood vessels are separate organs that form the 

• skeletal system. 
• cardiovascular system. 
• reproductive system. 
• digestive system. 

Which of the following systems is primarily involved with gas exchange? 

• respiratory system 
• excretory system 
• digestive system 
• skeletal system 

Which system is primarily involved in the transport of gases, nutrients and hormones to the cells? 

• circulatory system 
• respiratory system 
• endocrine system 
• skeletal system 

What human body system is responsible for helping us breathe in oxygen and exhale carbon dioxide?

• Nervous System

• Respiratory System

• Circulatory System

• Urinary System