Negative feedback regulates the concentration of glucose in the blood. If blood glucose concentration drops too low, the .....1..... produces the hormone .....2...... This hormone makes cells break down .....3..... into glucose, and the glucose is released into the blood. Which words are correct for gaps 1, 2 and 3?
- A1 liver; 2 glucagon; 3 glycogen
- B1 liver; 2 glycogen; 3 glucagon
- C1 pancreas; 2 glucagon; 3 glycogen
- D1 pancreas; 2 glycogen; 3 glucagon