Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
|
Define respiration.
|
A chemical reaction carried out by all living cells where glucose and oxygen react to produce carbon dioxide, water and releases energy.
|
|
|
What is the primary objective for the respiratory system?
|
Supply the blood with oxygen, it does this through breathing.
|
|
|
What is the Trachea?
|
Transfers air from throat to lungs. Catches dust. Can collapse for large food. A pipe surrounded with 15-20 C shaped rings. It connects the throat to the bronchi. |
|
|
What is the bronchi?
|
It transfers air to lungs. It has one tube for each lung.
|
|
|
What are bronchioles?
|
They transport air. Less than 1mm diameter. Lead to alveolar sacs.
|
|
|
What are alveoli?
|
Hollow cavities inside alveolar sacs. Thin walls to exchange oxygen and carbon dioxide. Moves oxygen to blood. They are surrounded by capillaries.
|
|
|
What is the main function of the respiratory system?
|
exchange gases
|
|
|
What is the more scientific name for the windpipe?
|
Trachea
|
|
|
What is the function of the diaphragm?
|
To control inhalation and exhalation
|
|
|
What is the equation for respiration?
|
Sugar + oxygen --> carbon dioxide + water+ energy
|
|
|
What are the air sacs where gas exchange occurs called?
|
Alveoli
|
|
|
What are the tubes that branch from the trachea called?
|
Bronchus, (bronchioles) or Bronchi
|
|
|
What is the function of cilia?
|
To catch dust and clean lungs.
|
|
|
What is the movement of substances from highest concentration to lowest called?
|
Diffusion
|
|
|
What is the function of cartilage in the trachea?
|
To hold open the trachea to allow air flow.
|
|
|
What are the muscles between the ribs that help the diaphragm?
|
Intercostal muscles
|
