Advertisements
Advertisements
Question
Give any two effects of carbon monoxide poisoning.
Advertisements
Solution
- In the presence of carbon monoxide, haemoglobin readily combines to form a stable compound called carboxyhaemoglobin.
- The formation of carboxyhaemoglobin prevents the binding of oxygen with haemoglobin and less haemoglobin is available for oxygen transport depriving the cells of oxygen.
APPEARS IN
RELATED QUESTIONS
Normal range of breathing rate per minute in an average adult person at rest is ______.
During exhalation, the ribs ______.
Choose the correct alternative.
_______ muscles contract when the external intercostal muscles contract.
With the help of labelled diagram explain the exchange of gases between alveolus and capillary.
______ nerve is located at the end of the eyes behind the retina.
Explain the mechanism of breathing.
Resistance in the airways is typically low. Why? Give two reasons.
____________ in mammals do not help in respiration.
The figure given below shows a small part of human lung where exchange of gas takes place. In which one of the options given below, the one part A, B, C or D is correctly identified along with its function.

Complete the table:
| Partial pressure of gases |
Alveolar air | Pulmonary Capillaries |
| PP02 104 | mm Hg | ______ |
| PPC02 40 | mm Hg | ______ |
