Explain the challenges and advantages of having internal gil

Question Explain the challenges and advantages of having internal gills over external gills for gas exchange? (2 points) Explain how increased stress levels can affect hormones which ultimately inhibit the immune system? Include all relevant glands and hormones in your discussion. (4 points) Describe, with the aid of your own diagrams, the process of how a human sperm is produced from a single 2N cell. Indicate the chromosomal content at all stages. (3 points) Describe how the three layers of the embryo are formed from a single layer of cells in the blastula. (2 points) Describe, in as much detail as possible, the path that a single blood cell will make when travelling from an artery in the stomach back to that same artery by the shortest route possible. Include information about what is happening to that blood cell at the different locations (i.e., losing oxygen etc.). Use only information from the text. (4 points) Explain how a molecule of starch that you eat enters the blood stream. (2 points) In your own words, explain how vaccination works to protect someone against mumps? (3 points)

   Related Questions in Biology

  • Q : Which type of muscle tissue moves bone

    Which type of muscle tissue moves bone?

  • Q : Toxoplasmosis-Typical manifestations

    What is the parasite which causes toxoplasmosis? How disease transmitted and what are its typical manifestations?

  • Q : What do you mean by the term blind spot

    What do you mean by the term blind spot? Briefly illustrate it.

  • Q : IT strategy is done in isolation Some

    Some organisations believe that it is solely the responsibility of the board of directors to develop top level strategy. And similarly, IT strategy should be developed by the IT department.  Nothing could be further than the truth. Although strategy calls for som

  • Q : Food bolus passes from the stomach to

    Describe the name that food bolus passes from the stomach to duodenum?

    Answer: The partly digested and semi fluid food bolus which leaves the stomach and enters the

  • Q : Separation of homologous chromosomes

    Throughout mitotic anaphase is there separation of homologous chromosomes or the separation of similar chromatids?

  • Q : Organizational Conflict -

    In an organizational situation, conflict may manifest itself in a number of different modes. Such conflicts may be within the organization itself (intra-organizational) or between various organizations (inter-organizational) intra-organizational conflicts may be

  • Q : Enzymes utilized for ELISA Write two

    Write two enzymes which have been utilized for ELISA.

  • Q : Reaction taking place in one of several

    What is the relation among reaction taking place in one of the several phases and the total quantity of energy discharged in the reaction?

  • Q : Define World Class Organization World

    World Class Organization: The Goods, services, and processes which are ranked by customers and industry-experts to be amongst the best of the best. This designation symbolizes standard-setting excellence in terms of performance, design, quality, and c