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Copy of Respritory System

Published on Dec 29, 2015

This is a bad example for our body systems project.

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PRESENTATION OUTLINE

1.

RESPIRATORY SYSTEM

HELPING US WITH GAS EXCHANGE
Photo by liverpoolhls
2.

The main function of the respiratory system is to take in oxygen and release carbon dioxide.

Photo by Mae Chevrette
3.

WHAT DOES THE RESPIRATORY SYSTEM DO?

  • Inhale Oxygen
  • Oxygen needed for energy production
  • Exhale Carbon dioxide and water
  • These are wastes from energy production
  • O2 and CO2 transfer into the blood
All of our cells need oxygen and sugar to produce the energy our body needs to function. Our respiratory system brings in the oxygen when we inhale. The byproducts of cellular respiration are water and carbon dioxide, and the respiratory system releases these waste products back out when we exhale.
Photo by liverpoolhls
4.

MAJOR ORGANS AT WORK

  • Nose and mouth
  • Pharynx- passage from the nose/mouth down
  • Larnyx- voice box
  • Trachea- main tube down to lungs
  • Lung- includes the many air passages
  • Bronchi- like upside down tree branches
  • Diaphragm- muscle below lungs
  • Ribs- they also move to help breathing
Photo by Pacific Northwest National Laboratory - PNNL
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Trachea or windpipe

Bronchi are the first branches of the air passages in the lungs

Photo by jetheriot
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Branches getting smaller and smaller smallest are bronchioles. Little sacs are alveoli. This is where the diffusion of gasses takes place.
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Gas exchange by diffusion through cells

Covered in capillaries between arteries and veins
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Diaphragm contracts and comes down, ribs rise, air comes in.

Diaphragm relaxes and chest falls pushing air out.
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DISEASES

HEALTHY LUNG OR SMOKER'S LUNG?
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DISEASES

  • Bronchitis-clogged with mucus
  • Emphysema- permanent damage (smoker's lung) Shortness of breath
  • Asthma- bronchioles get smaller
  • Apnea- stop breathing
  • Lung cancer- often chemical in cigarettes or other toxins are cause
  • Pneumonia-fluid in lungs
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Respiratory system works with muscular, skeletal, circulatory, nervous and digestive systems.

Diaphragm muscle and ribs help breathing.

Heart pumps the newly oxygenated blood to rest of body.

Nervous system tell us to breath involuntarily.

Digestion gets the sugar and respiration get the oxygen for cellular respiration which is how our cells get energy.
Photo by Kristian Thøgersen
13.

KEEPING YOUR RESPIRATORY SYSTEM HEALTHY

  • Exercise so you keep up your lung capacity
  • Avoid toxic fumes, air borne particles, and smoking
  • Take care of cold so they don't get to your lungs
  • Use prescribed medicine for bronchitis, asthma, and other illnesses
Photo by marc falardeau
14.

DID YOU KNOW?

  • Amphibians exchange gasses through moist skin, fish use gills. Birds, reptiles, and mammals use lungs.
  • The brain stem controls breathing; it gets messages about oxygen levels.
  • Inhaled air composition: 79.16% Nitrogen, 20.8% Oxygen, .04% Carbon Dioxide
  • Exhaled air composition: 80.4% Nitrogen, 15.6% Oxygen, 4% carbon dioxide
  • You take more than 10 million breathes in a year.
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REFERENCES

Jaimarie Nelson