Respiration Flashcards
What is the funtion of the Respiration System?
To transport gases to and from the Circulatory system
What is Cellular respiration?
This is how each cell obtains energy
What is external Respiration?
This is the exchange of gases between outide and the blood
What is the purpose of Oxygen in respiration?
It is an ingredient used to breakdown of glucose to make ATP. CO2 is the by product
Revise the following labelled diagram
What makes up the Thorax?
Ribcage
Intercostal muscles
Diaphragm
What are the internal surfaces of the Thorax?
Pural Membrane and pural fluid
What is the function of pural Fluid?
To lubricate the thorax allowing movement.
Why are the lungs good for gaseous exchange?
- Large surface area
- Good blood supply
- Moist lining
- This walls
What is the name of the cells that line the respirtory tract?
Epithelial cells
What is the name of the cells that makes mucus?
Goblet cells
How much O2 is in inhaled and exhaled air?
20% inhaled
16% exhaled
What muscles are responsible for the mechanisums of breathing?
Intercostal and Diaphram
How much air can the lungs hold?
6 liters
What is the name given to the amount of air breathed in and out during normal breathing?
Tidal volume
Approx 0.6 Lt
What is the name given to he in/out volume when increased during excercise?
Vital Capasity
Approx >4.5 lt
What is residual volume?
The amount of air the is retained in the lungs as a reserve.
Approx 1 - 1.5 lt
What area of the nervous system is responsible for respiration?
Medulla oblongata - this is an autonomic funtion.
What is Cystic Fibrosis?
It is a genetic defect causing excessive mucus production, clogging airways.
