Human Body Systems & Functions

Cardiovascular System Immune System Nervous System Muscular System Excretory System Digestive System Cardiovascular System Reproductive System Respiratory System

Digestive System Function 1) Break down food into nutrients 2) Absorb necessary nutrients 3) Get rid of any waste

Digestive System MOUTH Breaks food into smaller pieces Saliva starts digestion

Digestive System ESOPHAGUS Transports chewed food to stomach

Digestive System STOMACH Bag-like muscular organ responsible for breaking food down Produces acid for food digestion

Digestive System SMALL INTESTINE Highest amount of chemical digestion *larger than a tennis court Highest amount of chemical digestion Villi cells absorb nutrients

Digestive System LARGE INSTESTINE No digestion Absorbs water from food Prepares undigested food for elimination

Respiratory System Function 1) Allows you to breathe 2) Accepts oxygen and releases carbon dioxide 3) Adds oxygen to blood

Respiratory System LARYNX Contains vocal cords Produces sound when air enters and vibrates vocal cords

Respiratory System TRACHEA Called windpipe Moves air from nose to lungs

Respiratory System LUNGS Two spongy, air-filled organs Inflate when breathe in and deflate when breathe out

Respiratory System ALVEOLI Tiny grape-like sacs located in the lungs Responsible for gas exchange Send oxygen to the blood Given carbon dioxide for release

Cardiovascular System Function 1)Transports materials throughout body 2) Transports nutrients and oxygen to cells

Cardiovascular System HEART Muscle located in center of chest Size of fist Pumps blood throughout body

Cardiovascular System VEINS “Blue” Return blood from other organs back to heart Contain oxygen-poor blood

Cardiovascular System ARTERIES “Red” Carry blood from heart to other organs Contain oxygen and nutrient rich blood

ORGAN SYSTEMS BINGO