Integumentary System:

• The main function is protection, regulation, and sensation.

Muscular System:

• The main function of the muscular system is to be able to contract. Each movement in the body is the result of a muscle contraction. 

Urinary System: 

• The main function of the urinary system is to filter blood from the body as well as eliminate waste products. 

Lymphatic System: 

• The main function of the lymphatic system is to protect us from infection, and maintain fluid balance levels. 

Respiratory System:

• The main function of the respiratory system is to remove waste gases and replace them with fresh air into your lungs. 

Digestive System: 

• The main function of the digestive system is digestion and absorption

Nervous System: 

• The main function of the nervous system is to send signals from the brain to the rest of your body and organs

Endocrine System: 

• The main function of the endocrine system is to balance your hormones, metabolism, and control energy levels 

Cardiovascular System: 

• The main function of the cardiovascular system is to ensure the body receives critical substances including oxygen and nutrients, it also controls the body temperature 

Skeletal System:

• The main function of the skeletal system is to protect the internal organs and provide structure 

Reproductive System: 

• The main function of the reproductive system is to produce hormones and offspring