Some examples from this set of practice questions
1.
What is the body\'s internal environment?
Answer: The tissues and blood which allow life sustaining exchanges
2.
What is homeostasis?
Answer: The process of maintaining the internal environment of the body in a constant, optimal state despite changes in the external environment
3.
How is homeostasis maintained?
Answer: The body\'s receptors detect changes from the set point/norm and correct this change through the negative feedback system
4.
How does the negative feedback system work?
Answer: 1. The receptors detect changes from the set point and sends this information to the control centre. 2. The control centre processes the information and activates corrective mechanisms to be sent to the effectors. 3. The effectors respond and correct change, returning conditions back to the set point.
5.
What is the exocrine function of the pancreas?
Answer: Secretion of pancreatic juices which aid in chemical digestion in the duodenum
6.
What is the endocrine function of the pancreas?
Answer: The islets of Langerhans secrete insulin and glucagon
7.
What are the islets of Langerhans?
Answer: Groups of alpha and beta cells that secrete insulin and glucagon
8.
Which cells in the islets of Langerhans secrete insulin?
Answer: Beta cells
9.
Which cells in the islets of Langerhans secrete glucagon?
Answer: The alpha cells
10.
What is the function of insulin and glucagon?
Answer: Controlling blood glucose levels
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