RESPIRATORY SYSTEM

FUNCTIONS OF THE RESPIRATORY SYSTEM

• Supply the body with oxygen
• Breathing air in and carbon dioxide out
• Air passing the vocal cords creates your voice
• Cilia keep dirt and mucus out of the lungs
• Nose and mouth warm and wet air so it won't irritate the lungs

CIRCULATORY SYSTEM

FUNCTIONS OF THE CIRCULATORY SYSTEM

• Heart pumps blood all around the body
• Blood carries various materials to and from different body parts
• Blood contains cells that fight off infections
• Maintains body temperature by transporting heat
• Keeps pH and ionic concentration of body fluids stable

INTERACTIONS

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• Oxygen passes from the lungs to the blood stream
• The two systems work together to get rid of carbon dioxide
• Heart delivers oxygenated blood to the body
• Heart receives deoxygenated blood from the body
• Carbon dioxide from the blood goes back to the lungs to be exhaled