Q n. Draw the cross-section part of the skin and label all parts correctly
Qn. Give brief explanation not more than three lines in each of the following:
(i) How the skin is the excretion surface?
(ii) How the skin is used in regulation?
(iii) Justify why the skin is a sense
Qn (a) Define the following terms;
(i) Homeostasis
(ii) Osmoregulation
Qn. Animal A with 36oC body temperature and animal B with 30oC body temperature were put into a refrigerator switched to 10oC at about 15 minutes. When temperature (s) of animal A and B were taken again (after 15 minutes) the temperature of animal A was averagely the same but the temperature of animal B was 10oC.
Qn. Give the biological terms used to describe animal A and B with respect to temperatures control
Qn. Briefly explain how mammals overcome overheating.
Qn. (a) Describe the following terms
i. Hypoglycemia
ii. Hyperglycemia
iii. Polyuria
iv. Deamination
Qn. Distinguish between diabetes mellitus and diabetes insipidus.
Qn. Describe the behavioral and physiological mechanisms of temperature regulation in mammals.
Qn. Name four organism mammal body involved in regulation.
Qn. Urea, ammonia, and uric acid are all excretory products. Which of these substances requires?
i) Least water to eliminate
ii) Most water to eliminate
iii) Is major excretory products in Birds, Amoeba, Insects and Man
Qn. The following are the main waste products excreted in man; carbon dioxide, water and urea.
i) Name the major organs through which each is excreted.
ii) Name the organs where each is produced
Qn. Name two substances that the body would be deficient after sweating.
Qn. Explain the main parts i
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