Question
The diagram shows the structure of human skin.
What are X, Y and Z?
Answer/Explanation
Ans: C
Question
The liver and the pancreas work together to control the concentration of glucose in the blood.
Which statement is correct?
A The liver converts the small molecule glucose to the large molecule glucagon.
B The liver releases the hormone insulin when blood glucose levels are too high.
C The pancreas does not respond to an increase in blood glucose levels.
D The pancreas responds to a fall in blood glucose by increasing the release of the hormone
glucagon.
Answer/Explanation
Ans: D