--%>
Assignment Help - homework help

Sense of pressure in ear

Why is there a sense of pressure change inside the ear when someone goes down a mountain?

E

Expert

Verified

The pressure inside middle ear is maintained equivalent to the external ear (so to the exterior too) due to a communicating duct between middle ear and pharynx called auditory tube, or Eustachian tube. When someone goes down a mountain air pressure on the middle ear raises and it is essential to do some exercises like fake swallowing to force the opening of pharyngeal orifice of the auditory tube to equalize pressure again.

   Related Questions in Biology

  • Q : Three kinds of passive transport What

    What are the three main kinds of passive transport? Answer: The three main kinds of passive transport are osmosis, simple diffusion, and facilitated diffusion.

    		•
  • Q : Description of myoglobin Give a brief

    Give a brief description of myoglobin? Write down the function of this molecule in muscle tissue?

    		•
  • Q : Knowledge Management - Organizational

    "Knowledge is information that changes something or somebody - either by becoming grounds for actions, or by making an individual (or an institution) capable of different or more effective action." Like many other concepts and practices in management and organizational behavior, the exact

    		•
  • Q : Digestive system of Cow Food once

    Food once swallowed by the Cows and then this food goes back into their mouth to be chewed again. Explain this phenomenon?

    		•
  • Q : Enzyme reverse transcriptase present in

    Which kind of virus is HIV? What is the enzyme reverse transcriptase present in the HIV?

    		•
  • Q : What is Labor Arbitration Labor

    Labor Arbitration: It is a kind of consensus-seeking process which is employed to get agreements between labor and management. It is a form of labor negotiation which can help to address a grievance or a contract dispute, or just assist in the alterat

    		•
  • Q : Resource Smoothing and Time Crashing

    Resource Smoothing and Time Crashing: Smoothing is most applicable where there is slack and float within the network (i.e. away from the critical path.

  • Q : Transportation of substances in animals

    Explain another means for the transportation of substances in the animals without having a circulatory system? Why blood is more essential for larger animals?

    		•
  • Q : Problem with not paying market-driven

    Colleges & universities frequently do not pay salaries that are market-driven. For instance, it is typical for a history professor to make the similar as an economics professor. What types of problems are likely to result from this type of a pay scale?

    		•
  • Q : Treatment of acute myocardial infarction

    Streptokinase is a substance used in treatment of acute myocardial infarction. How does this substance act?

    		•