RESPIRATORY SYSTEM Why, oh why? Or else we’ll die! Our Respiratory System provides our body with __________ for the purpose of ____________________.

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Presentation transcript:

RESPIRATORY SYSTEM

Why, oh why? Or else we’ll die! Our Respiratory System provides our body with __________ for the purpose of ____________________. The energy (or ______) produced during respiration is used for ____________ processes and to maintain ____________ (dynamic equilibrium). In addition, this system allows us to expel _________________. Oxygen Aerobic Respiration ATP Metabolic Homeostasis Carbon Dioxide

So how do organisms Respire? diffusion skin spiracles/tracheal tubes stomates gills

Plant Respiration Lenticles are small holes in woody stems of plants that allow for gas exchange. 3 Places Plants Exchange Gases: Roots Stomates Lenticles

Human Respiratory System 3 h 1212 Nose Mouth Nasal Cavity

The Nasal Cavity has space which the air, mucus membranes which the air and nose hairs which the air. warms moistens filters

Human Respiratory System 3 h 1212 Nose Mouth Nasal Cavity 4 5 Larynx Pharynx epiglottis

How do you speak/choke/have food come out your nose? Eww!! Uvula, but what’s that hanging off it? Adam’s apple Click for cool link!cool

Human Respiratory System 3 h 1212 Nose Mouth Nasal Cavity 4 5 Larynx Pharynx epiglottis Trachea Bronchi

Bronchi and trachea: Rings of cartilage to keep open, mucus and beating hairs to clear passageway

Human Respiratory System 3 h 1212 Nose Mouth Nasal Cavity 4 5 Larynx Pharynx epiglottis Bronchi Trachea Lung Bronchi 9 10 Bronchiole Alveoli

Lungs contain bronchioles and alveoli. bronchiole1. 2.alveoli 3.capillary

Human Respiratory System 3 h 1212 Nose Mouth Nasal Cavity 4 5 Larynx Pharynx epiglottis (same) Trachea Lung Bronchi 9 10 Bronchiole Alveoli 11 Diaphragm

So……why do we breathe? And how? We mostly breathe to rid ourselves of CO 2 Inhale: ribs up and out, diaphragm down. Exhale: ribs down, diaphragm up.

Respiratory Disorders: Allergies Allergies are caused by benign (non-harmful) substances causing a histamine response in the body. Histamines cause: sneezing runny nosewatery eyes

Respiratory Disorders: ASTHMA Causes of asthma: -Genetic -Exercise -Air contaminates (smog, pollen, cigarettes, etc) What happens? -Muscles around the bronchioles tightens and won’t relax -Airways swell -Mucus is produced This means there is less space in the airway and it becomes difficult to get enough oxygen in.

Respiratory disorders: BRONCHITIS Inflammation caused by: virus, bacteria, asthma, smoking

Smoking: The Self Inflicted Respiratory Nightmare!

Smoking causes: Bad hair! Bad stink! Bad teeth! Bad skin! ADDICTION!!

That was then… This is now!

Smoking causes: EMPHYSEMA Alveoli are overstretched and lose their elasticity

Smoking causes cancer laryngectomy

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