Question

Low oxygen tension in the blood?
A) Coughing
B) Yawning
C) Hiccupping
D) Sneezing

Answer 1

Hint: The action of the oxygen molecules dissolved in the plasma is referred to as oxygen stress. A Clark electrode is used to test this. Low oxygen tension in the blood causes breathing problems.

Step by step solution:
Option A) Coughing: Coughing is a voluntary or involuntary activity by which we clear our throat and breathing passage. A sudden expulsion of air from the lungs is known as bronchospasm. Some germs use coughing to spread to new hosts. Coughing is not caused by low oxygen tension in the blood. It is caused by viruses and they are cleared up without treatment.
Option B) Yawning: Yawning is mostly an automatic mechanism in which we open our mouth and take a deep breath in, filling our lungs with air. Yawning is caused by low oxygen tension in the blood. Commonly yawning is a sign of sleepiness.
Option C) Hiccupping: Hiccupping is not caused by low oxygen tension in the blood. Hiccupping is caused by the involuntary contraction of the diaphragm. This involuntary contraction causes our vocal code to close a little. And hence a characteristic sound of hiccup is produced. Hiccup is an extraordinary type of respiratory movement due to an involuntary contraction of the diaphragm.
Option D) Sneezing: Sneezing is not caused by low oxygen tension in the blood. Sneezing the way, the body removes the irritating thing from the nose. Sneezing is an involuntary expulsion of the air to the outside. The cause of sneezing is sometimes the dirt or irritating thing that enters in the nose causes sneezing.

Option B is correct.

Note:
Yawning is caused by low oxygen tension in the blood. Low oxygen tension in the blood causes tiredness in the body. Yawning is mostly a voluntary process. Yawns may also occur when you talk about yawning or when you see someone yawning. Heart rate quickly rises during yawn.