--%>
Assignment Help - homework help

Swim bladder of fishes

Explain, how does the swim bladder of fishes work permitting the fishes in order to control their depth under the water?

E

Expert

Verified

From Hydrostatics concept, it is already known that an object never sink in case its density is equal or less as compared to the density of fluid in which it is immersed. When swim or gall bladder is filled with gas it decreases the density of body of fish and when it is emptied this density is rises. This mechanism controls depth of the fish under the water.

   Related Questions in Biology

  • Q : Substance transport from mother to fetus

    Explain the chief substances which are transferred from mother to fetus through the placenta and from fetus to mother?

    		•
  • Q : Stanley Miller experiment Explain the

    Explain the experiment carried out by the Stanley Miller (1953) upon the origin of life?

    		•
  • Q : Neuron cell body is positioned in a

    Give an illustration of a situation in which the neuron cell body is positioned in a part of the body and its axonal terminal part is in another distant portion of the body? Why does this take place?

    		•
  • Q : What is stearic acid Stearic acid :

    Stearic acid: Stearic acid is a necessary saturated fatty acid which is found in all seed, vegetable, nut and animal oils. Though stearic acid can be from various sources, the most general source in healthier quality nutritional supplements is vegetab

    		•
  • Q : Adrenal glands their types and portions

    Where are the adrenal glands situated? How many are they and Explain their portions?

    		•
  • Q : What do you mean by Production Lead Time

    Production Lead Time: It is the time interval between the placement of a contract and receipt into supply system of materiel bought. Two entries are given: (i) Initial--The time interval when the item is not under production as of the date of contract

    		•
  • Q : Explain Employee Involvement Employee

    Employee Involvement: It creates an atmosphere in which people encompass an impact on decisions and actions which affect their jobs. Employee involvement is not the target nor is it a tool, as practiced in numerous

    		•
  • Q : Metabolic gases which are transported

    What are the two main metabolic gases which are transported by the blood? Answer: The main metabolic gases which are transported by the blood are molecular oxygen (O

    		•
  • Q : Define the term tympanum Define the

    Define the term tympanum? In which portion of the ear is it situated and also states its function?

    		•
  • Q : Placenta and its main function State in

    State in which type of the animals does placenta is present? Explain its main function?

    		•