Practise mammalian homeostasis questions by tracing negative feedback through kidney, ADH, glucose control, receptors, effectors and biosensor evidence.
An important function of control systems in mammals is homeostasis.
Explain what is meant by the term homeostasis.
Insulin plays a part in homeostasis. It affects muscle and liver cells to bring about a decrease in blood glucose concentration, particularly after a meal.
Describe the effects of insulin on muscle cells.
Explain what is meant by the term homeostasis and describe the principles of homeostasis in mammals.
In mammals, excess amino acids cannot be stored in the body.
Outline the formation of urea from excess amino acids by liver cells.
The mammalian kidney is composed of many nephrons.
Describe the process of ultrafiltration in the nephron.
Fig. 7.1 is a diagram of a nephron.
Fig. 7.1
Complete Table 7.1 by naming a part of the nephron that corresponds to each of the statements.
Table 7.1