respiratory system Flashcards
How does the respiratory system maintain homeostasis?
By getting the required oxygen to the body cells and ridding the body do carbon dioxide
What is the function of the respiratory system?
It provides a large surface area for gas exchange, the diffusion of 02 into the blood, and the diffusion of Co2 out of the blood.
What are the three main requirements for respiration?
1) Large Respiratory Surface Area - for gas exchange
2) Moist Respiratory Surface - for gases to dissolve in water
3) Thin Respiratory Surface - to allow o2 and Co2 diffusion
inspiration?
Brings air into the lungs
Inspiration?
Brings air into the lungs
Expiration?
Takes air out of the lungs
External Expiration?
The exchange of oxygen and carbon dioxide between the air and the blood
Internal respiration?
The exchange of oxygen and carbon dioxide between the blood and tissue cells
What is the respiratory tract?
The passageway that air moves from the nose to the lungs
Nasal Cavity?
The cavity inside the nose; lined with capillaries that warm and moisten the air to pretext the lungs
Mucous?
Located in the nose, filters the air and trap the dirt particles
Cilia?
Trap bacteria, dirt, and other particles to prevent it from getting into the lungs
Turbinates?
The bones in the nasal chambers that increase the surface area of the nasal cavity. Covered with thin membranes that secrete mucous that moistens the air
Pharynx?
Connects the mouth and the nasal cavity to the larynx and esophagus
Glottis
The opening of the trachea
