Tag: respiration in humans
Questions Related to respiration in humans
Direct respiration occurs in.
Which is not function of 'conductiing part' of respiratory system?
Choose the correct statements with regard to human respiration:
(a) Inspiration is faciliated by contraction of phrenic and internal intercostal muscles
(b) Healthy human can inhale or exhale about $2000-3000$ml of air/min
(c) Functional residual capacity represents the volume of left out air in lungs after expiration
(d) Total lung capacity is the total volume of air that would be accomodated in the lunds after forced inspiration.
Respiratory quotient for three different substrates was calculated and tubulated as shown here.
| Substrate | R.Q. |
|---|---|
| XYZ | 0.911.3 |
Identify X, Y and Z and select the correct option regarding them.
Fill the following table related to partial pressure (in mm of Hg) of respiratory gases in different parts:
| Respiratory gases | Alveoli | Blood (oxygenated ) | Tissues |
|---|---|---|---|
| $O _2$ | - | - | $40$ |
| $CO _2$ | $40$ | $40$ | - |
The exchange of respiratory gases with the blood occurs at.
In lungs, a respiratory bronchiole divides to form.
Which is the end part of pulmonary or lung division and place of gaseous exchange?
Oxygen and carbon dioxide concentration in the alveolar air is respectively.
Inner/alveolar surface area of human lungs is?