4. Osmoregulation
i. Explain how the neryous, endocrine and urinary systems work together during the
practical experiment to maintain blood water potential as the body loses water
through exercise, and following exercise when large quantities are water are
ingested. (A.C.4.2)
Your work should be set out in the gorect format for a report. lt should include:
– Title page
– Contents page
– lntroduction
– Discussion (using the sections outlined above)
– Conclusion
– Reference list
– Appendices (results tables and graphs)
Headings must be used for each section, and should be in bold or underlined.
All of your sources should be referenced in text, and a full reference list, in accordance
with the Diploma Referencing Guide should be included.
Your results tables and graphs of the results should be included as an appendix (these can
be hand drawn or produced electronically, and will not be included in the word count).
Word Count: 2500 words
No
LO2 Understand the process of gaseous exchange and blood circulation
4.C.2.1 Explain the role of the respiratory system in ensuring there is an adequate
exchange of gases according to demand
4.C.2.2 Relate the structure of blood to its function
A.C.2.3 Analyse the role of the cardio-vascular system in ensuring an adequate flow of
blood is supplied to cells and tissues to meet the changing needs of the body
LO 4 Understand the importance of homeostasis
A.C. 4.1 Explain the need for nervous and endocrine control mechanisms in the human body
using appropriate examples
A.C. 4.2 Explain, using an example, how the urinary, nervous and endocrine systems
collaborate to maintain homeostasis under changing conditions