Try the Quiz : Biology : Human Organ Systems I

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• 1
  - Nasal cavity  
  Larger dust particles in the inhaled air are trapped in the mucus and hair found here.
  
  
• 2
  - Oral Cavity
  Food is mixed with saliva here.
  
  
• 3
  - Salivary Gland
  It secretes saliva.
  
  
• 5
  - Trachea
  It is a muscular tube containing semicircular rings of cartilages.
  
  
• 6
  - Bronchi
  These are formed by division of trachea.
  
  
• 7
  - Lungs
  Exchange of gases occurs here.
  
  
• 8
  - Heart
  It pumps blood to various parts of the body.
  
  
• 9
  - Esophagus
  Food descends from mouth to stomach through this muscular tube.
  
  
• 10
  - Gall Bladder
  Bile is stored here.
  
  
• 11
  - Liver
  Bile is secreted here.
  
  
• 12
  - Stomach
  Churning of food occurs here.
  
  
• 13
  - Pancreas
  It secretes pancreatic juice.
  
  
• 14
  - Large Intestine
  Most of the ingested water is absorbed here.
  
  
• 15
  - Small Intestine
  Absorption of food occurs here.
  
  
• 16
  - Anus
  Undigested food is excreted out of the body through this opening.
  
  

Try the Quiz : Biology : Human Organ Systems I