Gas exchange in fishes
How gas exchange is done in fishes?
Expert
Fishes are able to ‘breath’ through the gills. Gills, or branchiae, are extremely vascularized organs which are specialized in the process of gas exchange under water and present in the aquatic animals (crustaceans, marine annelids, fishes and tadpoles). Gills are respiratory organ (analogous, for instance, to the lungs) containing extremely thin lamellae along with several evident blood vessels which are in the direct contact with water. In osteichthyes, gills are enclosed by the bony flap which protects them termed as operculum while in chondrichthyes operculum is not there.
Departmental by products Under this method, for the each product manufactured by the enterprise, there is a separate department to look after its production, sales a
Write down the basic functions of connective tissues?
Explain the formation of yolk sac? Specify the function of yolk sac?
Give a brief explanation of zone of antibody excess.
Explain the androecium and the gynoecium? Specify the other structures of the flowers?
Explain suction force of the plant cell? Does the suction force facilitate or make hard the entrance of water into the cell?
Define the term chloroplasts? Describe the main function of chloroplasts?
What is the plant hormone remarkable for fruit ripening and stimulating flowering? What are the uses and practical inconveniences of which hormone?
Give a brief description of metabolism?
Explain whether hormones are only proteins?
18,76,764
1952317 Asked
3,689
Active Tutors
1413886
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!