Give any two effects of carbon monoxide poisoning.

Short/Brief Note

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.

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Chapter 8: Respiration and Circulation - Short Answer 1

Chapter 8 Respiration and Circulation
Short Answer 1 | Q 3

In human respiration, chemical energy is released in the form of ______.

______ nerve is located at the end of the eyes behind the retina.

When you hold your breath, identify the gas changes that occur in blood and would first lead to the urge to breathe.

Assertion: During inhalation, the diaphragm goes downward.
Reason: The volume of the thoracic cavity decreases.

Mark the true statement among the following with reference to normal breathing.

What is phosphorylation?

Which of the following is correct regarding pneumotoxic centres?

In alveolar air, the partial pressure of CO₂ is ______.

In Hamburger’s phenomenon, ______.

Complete the table: