Questions on Respiratory System

Tutor: None Selected Time limit: 1 Day

  1. Clearly explain the differences between external and internal respiration in your own words.
  2. When you have a bad head cold, you breathe through your mouth. What possible problems can this cause?
  3. The lungs are mostly passageways and elastic tissue. What are the roles of these two components?
  4. Describe three physical and two chemical factors that can modify respiratory rate and depth and compare their relative importance.

Please list any links for information used. 

Oct 3rd, 2015

Thank you for the opportunity to help you with your question!


>External respiration involves transfer of gas from between the lungs and the outer environment , while internal respiration involves transfer of gas between the blood and the cells .

> External respiration involves inhaling in oxygen and exhaling Carbon dioxide , while internal respiration would involve metabolic process where oxygen is released to the to the cells and carbon dioxide is absorbed in the blood.

 2..Mouth breathing changes the face appearance

  . It causes frequents headaches

   . Cause gum disease

   . Causes sore throats and cold symptoms

   . Bad breath

   . Digestive disturbance

3 They purify ,humidify and warm the incoming air .

4. physical factors - talking breathing and exercise  can regulate the rate and depth

  Chemical factors - Increased level of carbon dioxide and oxygen

Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 20th, 2015

Oct 3rd, 2015
Oct 3rd, 2015
Oct 24th, 2016
Mark as Final Answer
Unmark as Final Answer
Final Answer

Secure Information

Content will be erased after question is completed.

Final Answer