3.04 Functions and disorders of the nose 3.04 Understand the functions and disorders of the sensory system
3.04 Understand the functions and disorders of the sensory system Essential Questions What are the functions of the sensory system? What are some disorders of the sensory system? How are sensory system disorders treated? How do you relate the body’s communication to the sensory system? 3.04 Understand the functions and disorders of the sensory system
Understanding the functions of the nose Smell 3.04 Understand the functions and disorders of the sensory system
Understanding the functions of the nose Nares (nostrils) Openings that allow air to enter and exit Nasal cilia- Hairs that filter the air 3.04 Understand the functions and disorders of the sensory system
Understanding the functions of the nose Nasal septum Separates the right and left sides Olfactory receptors Provide sense of smell Turbinates-nasal bones that allow air to move in various directions 3.04 Understand the functions and disorders of the sensory system
Understanding the functions of the nose (A) Pathway of smell (B) Nerve activity in smell 3.04 Understand the functions and disorders of the sensory system
3.04 Understand the functions and disorders of the sensory system Smell Trivia… Did you know??? Perfume The beginnings of perfume use can be traced back thousands of years to the early Egyptians. Burning of resins and woods were used for their fragrance during religious ceremonies. Perfume was developed to attract the goodwill of the gods. When Tutankhamen’s tomb was discovered, there was still a trace of the strong fragrance detected. He was buried over 3,300 years ago. 3.04 Understand the functions and disorders of the sensory system
Function of the nose: Smell Pleasant or unpleasant? 3.04 Understand the functions and disorders of the sensory system
Function of the nose: Smell Smell Activity What is that smell? 3.04 Understand the functions and disorders of the sensory system
3.04 Understand the functions and disorders of the sensory system Disorders of the nose Deviated nasal septum-a bend in the cartilage of the septum What causes a deviated nasal septum? Born with or due to injury What is its impact on health? Difficulty sleeping, headaches, snoring, dry nose, nose bleeds How does a septoplasty relieve symptoms? Straightens the septum 3.04 Understand the functions and disorders of the sensory system
3.04 Understand the functions and disorders of the sensory system Disorders of the nose Nasal polyps-growths in the nasal cavity Causes: Hereditary or due to chronic inflammation Treatment: surgery may be needed 3.04 Understand the functions and disorders of the sensory system
Disorders of the nose Rhinitis-inflammation of the lining of the nose Define rhinitis. Rhin- -itis *What causes rhinitis? Allergies, infection, fumes, emotions, drugs *What are the symptoms? Nasal congestion, rhinorrhea (drainage), sneezing, itching How is rhinitis treated? Eliminate the allergens, antihistamines
3.04 Understand the functions and disorders of the sensory system Disorders of the nose Rhinoplasty Aka “nose job”- surgery to reshape the nose; may make the nose smaller or larger, remove bumps, indentations, etc. 3.04 Understand the functions and disorders of the sensory system
3.04 Understand the functions and disorders of the sensory system Essential Questions What are the functions of the sensory system? What are some disorders of the sensory system? How are sensory system disorders treated? How do you relate the body’s communication to the sensory system? 3.04 Understand the functions and disorders of the sensory system
3.04 Functions and disorders of the nose The End 3.04 Understand the functions and disorders of the sensory system