Organ Systems - Function

Question 1

Integumentary System

Answer 1

• Protects organs from injury
• Excretes salt and urea
• Regulates body temp
• Produces vitamin D

Question 2

Skeletal System

Answer 2

• Body support & protection
• Provides levers for muscular action
• Cavities provide a site for blood cell formation

Question 3

Muscular System

Answer 3

• Contract & shorten to provide locomotion and ability to generate facial expressions
• Generates heat

Question 4

Nervous System

Answer 4

• Detects changes in its internal and external and responds by activating glands and muscles
• Helps maintain homeostasis in body

Question 5

Endocrine System

Answer 5

• Helps maintain homeostasis
• Promotes growth and development
• produces hormones that travel through the blood to exert their effects on target organs

Question 6

Cardiovascular System

Answer 6

• Carries blood to tissue cells
• Blood is propelled through pumping of the heart
• Antibodies and other proteins in blood protect the body

Question 7

Lymphatic/Immunity System

Answer 7

• Picks up fluid leaked from blood vessels and returns it to blood
• Cleans blood of pathogens and other debris
• Houses lymphocytes that act via the immune response to protect body from foreign substances

Question 8

Respiratory System

Answer 8

• Keeps blood with oxygen and removes carbon dioxide

- Contributes to acid-base balance of blood via its carbonic acid-bicarbonate buffer system

Question 9

Digestive System

Answer 9

• Breaks down food to be absorbed into blood & delivered to body cells
• Undigested residue is removed from the body as feces

Question 10

Urinary System

Answer 10

• Rids body of urea, uric acid and ammonia

- Maintains water, electrolyte and acid-base blood balance

Question 11

Reproductive System (male)

Answer 11

• Provides germ cells called sperm for perpetuation of the species

Question 12

Reproductive System (female)

Answer 12

• Provides germ cells called eggs, houses developing fetus and mammary glands provide nutrition for infant