Description of Assignment:
Using the diagram below, name the endocrine glands (AC1.1), produce a table showing the main endocrine organs, the hormone(s) they secrete and their functions, and the target organ for the hormone named. The table should contain an account of how each endocrine organ is affected by feedback (positive or negative) (AC1.1)
Fig 1. Location of endocrine glands (AC 1.1)
Define hormone. What are endocrine glands? What are target tissues? Compare and contrast the action of two main categories of hormones on their target cells by completing the VENN DIAGRAM below. Include one similarity and two differences.(AC2.1)
Produce a table to compare and contrast the endocrine and nervous systems. You must consider the action of hormones and neurones.
Using a diagram below produce a report (450 words) to explain how pituitary gland regulates other glands. (AC3.1). Justify why the pituitary gland is called the master gland. Describe the link between the pituitary gland and the nervous system. (AC3.2)
Define homeostasis in your own words including your understanding of negative and positive feedback loops. Evaluate the importance of homeostasis in the healthy functioning of the body.
Give examples of the components of the homeostasis systems and an example of negative and positive feedback.
Explain the circumstances under which adrenaline is produced (AC 4.1), giving real life situations.
Produce a table to describe the hormones of the adrenal glands and their effects. (AC 4.2)
Produce a report (300 words) to describe the role the adrenal gland plays in maintaining homeostasis. (AC4.3)
Explain the role of insulin and glucagon in the control of blood glucose (AC5.1).
Include at least one diagram and detailed explanations of the control of blood glucose levels.
Analyse the hormonal control of blood glucose level as it relates to the principles of negative feedback.
Write an account which answers the following questions:
- What happens in a normal healthy person after eating a high sugar meal?
- How would the body ensure that there is enough blood glucose available to a healthy person when they have not had a meal for 12 hours and for 24 hours?
- What would happen in the body of a person with type I diabetes who had forgotten to take their insulin injection and then cycled 5 miles to work?
- Mary is a young teenager. She has finished eating a large meal. She also drank three glasses of lemonade. Her blood is being flooded with sugar from this meal. What will happen to this glucose, will she lose it in urine?
Your answers should contain, as a minimum, the keywords: pancreas, Islets of Langerhan, insulin, glucagon, liver (AC 5.1).